Home / 31,432.05-47,065.46-26,422.20

Finding the Fourth Proportional to 31,432.05, 47,065.46 and 26,422.20

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Solution

The fourth proportional to 31,432.05, 47,065.46 and 26,422.20 is: 39,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.05 : 47,065.46 = 26,422.20 : x
  2. Step 2: Convert to fraction form
    31,432.05/47,065.46 = 26,422.20/x
  3. Step 3: Cross multiply
    31,432.05x = 47,065.46 × 26,422.20
  4. Step 4: Simplify right side
    31,432.05x = 1,243,572,865.10
  5. Step 5: Solve for x
    x = 1,243,572,865.10/31,432.05
  6. Step 6: Final answer
    x = 39,563.85

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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.