Home / 31,812.55-47,718.94-10,752.76

Finding the Fourth Proportional to 31,812.55, 47,718.94 and 10,752.76

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Solution

The fourth proportional to 31,812.55, 47,718.94 and 10,752.76 is: 16,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.55 : 47,718.94 = 10,752.76 : x
  2. Step 2: Convert to fraction form
    31,812.55/47,718.94 = 10,752.76/x
  3. Step 3: Cross multiply
    31,812.55x = 47,718.94 × 10,752.76
  4. Step 4: Simplify right side
    31,812.55x = 513,110,309.27
  5. Step 5: Solve for x
    x = 513,110,309.27/31,812.55
  6. Step 6: Final answer
    x = 16,129.18

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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.