Home / 31,708.06-47,562.09-10,931.56

Finding the Fourth Proportional to 31,708.06, 47,562.09 and 10,931.56

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Solution

The fourth proportional to 31,708.06, 47,562.09 and 10,931.56 is: 16,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.06 : 47,562.09 = 10,931.56 : x
  2. Step 2: Convert to fraction form
    31,708.06/47,562.09 = 10,931.56/x
  3. Step 3: Cross multiply
    31,708.06x = 47,562.09 × 10,931.56
  4. Step 4: Simplify right side
    31,708.06x = 519,927,840.56
  5. Step 5: Solve for x
    x = 519,927,840.56/31,708.06
  6. Step 6: Final answer
    x = 16,397.34

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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.