Home / 52,318.29-72,199.41-28,445.06

Finding the Fourth Proportional to 52,318.29, 72,199.41 and 28,445.06

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Solution

The fourth proportional to 52,318.29, 72,199.41 and 28,445.06 is: 39,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.29 : 72,199.41 = 28,445.06 : x
  2. Step 2: Convert to fraction form
    52,318.29/72,199.41 = 28,445.06/x
  3. Step 3: Cross multiply
    52,318.29x = 72,199.41 × 28,445.06
  4. Step 4: Simplify right side
    52,318.29x = 2,053,716,549.41
  5. Step 5: Solve for x
    x = 2,053,716,549.41/52,318.29
  6. Step 6: Final answer
    x = 39,254.28

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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.