Home / 52,550.68-72,521.47-28,678.89

Finding the Fourth Proportional to 52,550.68, 72,521.47 and 28,678.89

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Solution

The fourth proportional to 52,550.68, 72,521.47 and 28,678.89 is: 39,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550.68 : 72,521.47 = 28,678.89 : x
  2. Step 2: Convert to fraction form
    52,550.68/72,521.47 = 28,678.89/x
  3. Step 3: Cross multiply
    52,550.68x = 72,521.47 × 28,678.89
  4. Step 4: Simplify right side
    52,550.68x = 2,079,835,260.77
  5. Step 5: Solve for x
    x = 2,079,835,260.77/52,550.68
  6. Step 6: Final answer
    x = 39,577.70

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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.