Home / 52,689.42-72,711.45-28,816.02

Finding the Fourth Proportional to 52,689.42, 72,711.45 and 28,816.02

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Solution

The fourth proportional to 52,689.42, 72,711.45 and 28,816.02 is: 39,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689.42 : 72,711.45 = 28,816.02 : x
  2. Step 2: Convert to fraction form
    52,689.42/72,711.45 = 28,816.02/x
  3. Step 3: Cross multiply
    52,689.42x = 72,711.45 × 28,816.02
  4. Step 4: Simplify right side
    52,689.42x = 2,095,254,597.43
  5. Step 5: Solve for x
    x = 2,095,254,597.43/52,689.42
  6. Step 6: Final answer
    x = 39,766.14

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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.