Home / 52,488.80-72,434.58-28,615.52

Finding the Fourth Proportional to 52,488.80, 72,434.58 and 28,615.52

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Solution

The fourth proportional to 52,488.80, 72,434.58 and 28,615.52 is: 39,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488.80 : 72,434.58 = 28,615.52 : x
  2. Step 2: Convert to fraction form
    52,488.80/72,434.58 = 28,615.52/x
  3. Step 3: Cross multiply
    52,488.80x = 72,434.58 × 28,615.52
  4. Step 4: Simplify right side
    52,488.80x = 2,072,753,172.68
  5. Step 5: Solve for x
    x = 2,072,753,172.68/52,488.80
  6. Step 6: Final answer
    x = 39,489.44

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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.