Home / 31,807.56-47,638.67-15,179.27

Finding the Fourth Proportional to 31,807.56, 47,638.67 and 15,179.27

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Solution

The fourth proportional to 31,807.56, 47,638.67 and 15,179.27 is: 22,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,807.56 : 47,638.67 = 15,179.27 : x
  2. Step 2: Convert to fraction form
    31,807.56/47,638.67 = 15,179.27/x
  3. Step 3: Cross multiply
    31,807.56x = 47,638.67 × 15,179.27
  4. Step 4: Simplify right side
    31,807.56x = 723,119,920.28
  5. Step 5: Solve for x
    x = 723,119,920.28/31,807.56
  6. Step 6: Final answer
    x = 22,734.22

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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.