Home / 52,403.40-72,317.99-28,531.38

Finding the Fourth Proportional to 52,403.40, 72,317.99 and 28,531.38

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Solution

The fourth proportional to 52,403.40, 72,317.99 and 28,531.38 is: 39,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.40 : 72,317.99 = 28,531.38 : x
  2. Step 2: Convert to fraction form
    52,403.40/72,317.99 = 28,531.38/x
  3. Step 3: Cross multiply
    52,403.40x = 72,317.99 × 28,531.38
  4. Step 4: Simplify right side
    52,403.40x = 2,063,332,053.53
  5. Step 5: Solve for x
    x = 2,063,332,053.53/52,403.40
  6. Step 6: Final answer
    x = 39,374.01

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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.