Home / 51,049.90-70,443.47-28,385.24

Finding the Fourth Proportional to 51,049.90, 70,443.47 and 28,385.24

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Solution

The fourth proportional to 51,049.90, 70,443.47 and 28,385.24 is: 39,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.90 : 70,443.47 = 28,385.24 : x
  2. Step 2: Convert to fraction form
    51,049.90/70,443.47 = 28,385.24/x
  3. Step 3: Cross multiply
    51,049.90x = 70,443.47 × 28,385.24
  4. Step 4: Simplify right side
    51,049.90x = 1,999,554,401.38
  5. Step 5: Solve for x
    x = 1,999,554,401.38/51,049.90
  6. Step 6: Final answer
    x = 39,168.63

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Half scale
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Double scale
Find fourth proportional to 51,050.90, 70,444.85 and 28,386.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.