Home / 31,715.86-47,581.68-9,529.63

Finding the Fourth Proportional to 31,715.86, 47,581.68 and 9,529.63

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Solution

The fourth proportional to 31,715.86, 47,581.68 and 9,529.63 is: 14,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.86 : 47,581.68 = 9,529.63 : x
  2. Step 2: Convert to fraction form
    31,715.86/47,581.68 = 9,529.63/x
  3. Step 3: Cross multiply
    31,715.86x = 47,581.68 × 9,529.63
  4. Step 4: Simplify right side
    31,715.86x = 453,435,805.18
  5. Step 5: Solve for x
    x = 453,435,805.18/31,715.86
  6. Step 6: Final answer
    x = 14,296.82

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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.