Home / 31,580.46-47,332.94-14,690.66

Finding the Fourth Proportional to 31,580.46, 47,332.94 and 14,690.66

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Solution

The fourth proportional to 31,580.46, 47,332.94 and 14,690.66 is: 22,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.46 : 47,332.94 = 14,690.66 : x
  2. Step 2: Convert to fraction form
    31,580.46/47,332.94 = 14,690.66/x
  3. Step 3: Cross multiply
    31,580.46x = 47,332.94 × 14,690.66
  4. Step 4: Simplify right side
    31,580.46x = 695,351,818.22
  5. Step 5: Solve for x
    x = 695,351,818.22/31,580.46
  6. Step 6: Final answer
    x = 22,018.42

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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.