Home / 31,588.25-47,393.65-13,568.91

Finding the Fourth Proportional to 31,588.25, 47,393.65 and 13,568.91

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Solution

The fourth proportional to 31,588.25, 47,393.65 and 13,568.91 is: 20,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.25 : 47,393.65 = 13,568.91 : x
  2. Step 2: Convert to fraction form
    31,588.25/47,393.65 = 13,568.91/x
  3. Step 3: Cross multiply
    31,588.25x = 47,393.65 × 13,568.91
  4. Step 4: Simplify right side
    31,588.25x = 643,079,968.38
  5. Step 5: Solve for x
    x = 643,079,968.38/31,588.25
  6. Step 6: Final answer
    x = 20,358.20

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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.