Home / 31,491.57-47,237.28-21,600.87

Finding the Fourth Proportional to 31,491.57, 47,237.28 and 21,600.87

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Solution

The fourth proportional to 31,491.57, 47,237.28 and 21,600.87 is: 32,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,491.57 : 47,237.28 = 21,600.87 : x
  2. Step 2: Convert to fraction form
    31,491.57/47,237.28 = 21,600.87/x
  3. Step 3: Cross multiply
    31,491.57x = 47,237.28 × 21,600.87
  4. Step 4: Simplify right side
    31,491.57x = 1,020,366,344.43
  5. Step 5: Solve for x
    x = 1,020,366,344.43/31,491.57
  6. Step 6: Final answer
    x = 32,401.25

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1.5x scale

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.