Home / 42,012.32-62,979.54-15,697.04

Finding the Fourth Proportional to 42,012.32, 62,979.54 and 15,697.04

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Solution

The fourth proportional to 42,012.32, 62,979.54 and 15,697.04 is: 23,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.32 : 62,979.54 = 15,697.04 : x
  2. Step 2: Convert to fraction form
    42,012.32/62,979.54 = 15,697.04/x
  3. Step 3: Cross multiply
    42,012.32x = 62,979.54 × 15,697.04
  4. Step 4: Simplify right side
    42,012.32x = 988,592,358.56
  5. Step 5: Solve for x
    x = 988,592,358.56/42,012.32
  6. Step 6: Final answer
    x = 23,531.01

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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.