Home / 31,829.81-47,672.04-15,201.55

Finding the Fourth Proportional to 31,829.81, 47,672.04 and 15,201.55

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Solution

The fourth proportional to 31,829.81, 47,672.04 and 15,201.55 is: 22,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829.81 : 47,672.04 = 15,201.55 : x
  2. Step 2: Convert to fraction form
    31,829.81/47,672.04 = 15,201.55/x
  3. Step 3: Cross multiply
    31,829.81x = 47,672.04 × 15,201.55
  4. Step 4: Simplify right side
    31,829.81x = 724,689,016.26
  5. Step 5: Solve for x
    x = 724,689,016.26/31,829.81
  6. Step 6: Final answer
    x = 22,767.62

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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.