Home / 52,404.36-72,319.80-28,531.40

Finding the Fourth Proportional to 52,404.36, 72,319.80 and 28,531.40

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Solution

The fourth proportional to 52,404.36, 72,319.80 and 28,531.40 is: 39,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,404.36 : 72,319.80 = 28,531.40 : x
  2. Step 2: Convert to fraction form
    52,404.36/72,319.80 = 28,531.40/x
  3. Step 3: Cross multiply
    52,404.36x = 72,319.80 × 28,531.40
  4. Step 4: Simplify right side
    52,404.36x = 2,063,385,141.72
  5. Step 5: Solve for x
    x = 2,063,385,141.72/52,404.36
  6. Step 6: Final answer
    x = 39,374.30

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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.