Home / 51,002.41-70,382.85-28,341.43

Finding the Fourth Proportional to 51,002.41, 70,382.85 and 28,341.43

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Solution

The fourth proportional to 51,002.41, 70,382.85 and 28,341.43 is: 39,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,002.41 : 70,382.85 = 28,341.43 : x
  2. Step 2: Convert to fraction form
    51,002.41/70,382.85 = 28,341.43/x
  3. Step 3: Cross multiply
    51,002.41x = 70,382.85 × 28,341.43
  4. Step 4: Simplify right side
    51,002.41x = 1,994,750,616.48
  5. Step 5: Solve for x
    x = 1,994,750,616.48/51,002.41
  6. Step 6: Final answer
    x = 39,110.91

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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.