Home / 52,405.16-72,318.68-28,531.80

Finding the Fourth Proportional to 52,405.16, 72,318.68 and 28,531.80

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Solution

The fourth proportional to 52,405.16, 72,318.68 and 28,531.80 is: 39,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.16 : 72,318.68 = 28,531.80 : x
  2. Step 2: Convert to fraction form
    52,405.16/72,318.68 = 28,531.80/x
  3. Step 3: Cross multiply
    52,405.16x = 72,318.68 × 28,531.80
  4. Step 4: Simplify right side
    52,405.16x = 2,063,382,114.02
  5. Step 5: Solve for x
    x = 2,063,382,114.02/52,405.16
  6. Step 6: Final answer
    x = 39,373.64

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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.