Home / 62,939.20-94,422.70-20,832.40

Finding the Fourth Proportional to 62,939.20, 94,422.70 and 20,832.40

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Solution

The fourth proportional to 62,939.20, 94,422.70 and 20,832.40 is: 31,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.20 : 94,422.70 = 20,832.40 : x
  2. Step 2: Convert to fraction form
    62,939.20/94,422.70 = 20,832.40/x
  3. Step 3: Cross multiply
    62,939.20x = 94,422.70 × 20,832.40
  4. Step 4: Simplify right side
    62,939.20x = 1,967,051,455.48
  5. Step 5: Solve for x
    x = 1,967,051,455.48/62,939.20
  6. Step 6: Final answer
    x = 31,253.20

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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.