Home / 31,470.66-47,189.74-9,281.22

Finding the Fourth Proportional to 31,470.66, 47,189.74 and 9,281.22

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Solution

The fourth proportional to 31,470.66, 47,189.74 and 9,281.22 is: 13,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.66 : 47,189.74 = 9,281.22 : x
  2. Step 2: Convert to fraction form
    31,470.66/47,189.74 = 9,281.22/x
  3. Step 3: Cross multiply
    31,470.66x = 47,189.74 × 9,281.22
  4. Step 4: Simplify right side
    31,470.66x = 437,978,358.68
  5. Step 5: Solve for x
    x = 437,978,358.68/31,470.66
  6. Step 6: Final answer
    x = 13,917.04

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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.