Home / 42,019.32-62,990.02-15,704.04

Finding the Fourth Proportional to 42,019.32, 62,990.02 and 15,704.04

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Solution

The fourth proportional to 42,019.32, 62,990.02 and 15,704.04 is: 23,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,019.32 : 62,990.02 = 15,704.04 : x
  2. Step 2: Convert to fraction form
    42,019.32/62,990.02 = 15,704.04/x
  3. Step 3: Cross multiply
    42,019.32x = 62,990.02 × 15,704.04
  4. Step 4: Simplify right side
    42,019.32x = 989,197,793.68
  5. Step 5: Solve for x
    x = 989,197,793.68/42,019.32
  6. Step 6: Final answer
    x = 23,541.50

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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.