Home / 31,802.28-47,659.29-14,006.25

Finding the Fourth Proportional to 31,802.28, 47,659.29 and 14,006.25

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Solution

The fourth proportional to 31,802.28, 47,659.29 and 14,006.25 is: 20,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.28 : 47,659.29 = 14,006.25 : x
  2. Step 2: Convert to fraction form
    31,802.28/47,659.29 = 14,006.25/x
  3. Step 3: Cross multiply
    31,802.28x = 47,659.29 × 14,006.25
  4. Step 4: Simplify right side
    31,802.28x = 667,528,079.10
  5. Step 5: Solve for x
    x = 667,528,079.10/31,802.28
  6. Step 6: Final answer
    x = 20,989.94

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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.