Home / 31,515.60-47,273.40-25,610.70

Finding the Fourth Proportional to 31,515.60, 47,273.40 and 25,610.70

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Solution

The fourth proportional to 31,515.60, 47,273.40 and 25,610.70 is: 38,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.60 : 47,273.40 = 25,610.70 : x
  2. Step 2: Convert to fraction form
    31,515.60/47,273.40 = 25,610.70/x
  3. Step 3: Cross multiply
    31,515.60x = 47,273.40 × 25,610.70
  4. Step 4: Simplify right side
    31,515.60x = 1,210,704,865.38
  5. Step 5: Solve for x
    x = 1,210,704,865.38/31,515.60
  6. Step 6: Final answer
    x = 38,416.05

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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.