Home / 31,588.38-47,243.07-28,102.86

Finding the Fourth Proportional to 31,588.38, 47,243.07 and 28,102.86

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Solution

The fourth proportional to 31,588.38, 47,243.07 and 28,102.86 is: 42,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.38 : 47,243.07 = 28,102.86 : x
  2. Step 2: Convert to fraction form
    31,588.38/47,243.07 = 28,102.86/x
  3. Step 3: Cross multiply
    31,588.38x = 47,243.07 × 28,102.86
  4. Step 4: Simplify right side
    31,588.38x = 1,327,665,382.18
  5. Step 5: Solve for x
    x = 1,327,665,382.18/31,588.38
  6. Step 6: Final answer
    x = 42,030.18

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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.