Home / 52,550.28-72,519.12-28,678.32

Finding the Fourth Proportional to 52,550.28, 72,519.12 and 28,678.32

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Solution

The fourth proportional to 52,550.28, 72,519.12 and 28,678.32 is: 39,575.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.28 : 72,519.12 = 28,678.32 : x
  2. Step 2: Convert to fraction form
    52,550.28/72,519.12 = 28,678.32/x
  3. Step 3: Cross multiply
    52,550.28x = 72,519.12 × 28,678.32
  4. Step 4: Simplify right side
    52,550.28x = 2,079,726,529.48
  5. Step 5: Solve for x
    x = 2,079,726,529.48/52,550.28
  6. Step 6: Final answer
    x = 39,575.94

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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.