Home / 52,379.07-72,282.94-28,505.62

Finding the Fourth Proportional to 52,379.07, 72,282.94 and 28,505.62

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Solution

The fourth proportional to 52,379.07, 72,282.94 and 28,505.62 is: 39,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.07 : 72,282.94 = 28,505.62 : x
  2. Step 2: Convert to fraction form
    52,379.07/72,282.94 = 28,505.62/x
  3. Step 3: Cross multiply
    52,379.07x = 72,282.94 × 28,505.62
  4. Step 4: Simplify right side
    52,379.07x = 2,060,470,020.12
  5. Step 5: Solve for x
    x = 2,060,470,020.12/52,379.07
  6. Step 6: Final answer
    x = 39,337.66

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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.