Home / 51,046.47-70,444.19-28,385.21

Finding the Fourth Proportional to 51,046.47, 70,444.19 and 28,385.21

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Solution

The fourth proportional to 51,046.47, 70,444.19 and 28,385.21 is: 39,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,046.47 : 70,444.19 = 28,385.21 : x
  2. Step 2: Convert to fraction form
    51,046.47/70,444.19 = 28,385.21/x
  3. Step 3: Cross multiply
    51,046.47x = 70,444.19 × 28,385.21
  4. Step 4: Simplify right side
    51,046.47x = 1,999,573,373.50
  5. Step 5: Solve for x
    x = 1,999,573,373.50/51,046.47
  6. Step 6: Final answer
    x = 39,171.63

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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.