Home / 31,707.61-47,562.17-10,648.33

Finding the Fourth Proportional to 31,707.61, 47,562.17 and 10,648.33

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Solution

The fourth proportional to 31,707.61, 47,562.17 and 10,648.33 is: 15,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.61 : 47,562.17 = 10,648.33 : x
  2. Step 2: Convert to fraction form
    31,707.61/47,562.17 = 10,648.33/x
  3. Step 3: Cross multiply
    31,707.61x = 47,562.17 × 10,648.33
  4. Step 4: Simplify right side
    31,707.61x = 506,457,681.68
  5. Step 5: Solve for x
    x = 506,457,681.68/31,707.61
  6. Step 6: Final answer
    x = 15,972.75

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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.