Home / 37,422.60-56,141.70-12,470.40

Finding the Fourth Proportional to 37,422.60, 56,141.70 and 12,470.40

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Solution

The fourth proportional to 37,422.60, 56,141.70 and 12,470.40 is: 18,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.60 : 56,141.70 = 12,470.40 : x
  2. Step 2: Convert to fraction form
    37,422.60/56,141.70 = 12,470.40/x
  3. Step 3: Cross multiply
    37,422.60x = 56,141.70 × 12,470.40
  4. Step 4: Simplify right side
    37,422.60x = 700,109,455.68
  5. Step 5: Solve for x
    x = 700,109,455.68/37,422.60
  6. Step 6: Final answer
    x = 18,708.20

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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.