Home / 66,590.38-99,934.71-31,529.98

Finding the Fourth Proportional to 66,590.38, 99,934.71 and 31,529.98

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Solution

The fourth proportional to 66,590.38, 99,934.71 and 31,529.98 is: 47,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,590.38 : 99,934.71 = 31,529.98 : x
  2. Step 2: Convert to fraction form
    66,590.38/99,934.71 = 31,529.98/x
  3. Step 3: Cross multiply
    66,590.38x = 99,934.71 × 31,529.98
  4. Step 4: Simplify right side
    66,590.38x = 3,150,939,407.61
  5. Step 5: Solve for x
    x = 3,150,939,407.61/66,590.38
  6. Step 6: Final answer
    x = 47,318.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.