Home / 42,372.94-63,520.17-15,704.08

Finding the Fourth Proportional to 42,372.94, 63,520.17 and 15,704.08

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Solution

The fourth proportional to 42,372.94, 63,520.17 and 15,704.08 is: 23,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,372.94 : 63,520.17 = 15,704.08 : x
  2. Step 2: Convert to fraction form
    42,372.94/63,520.17 = 15,704.08/x
  3. Step 3: Cross multiply
    42,372.94x = 63,520.17 × 15,704.08
  4. Step 4: Simplify right side
    42,372.94x = 997,525,831.29
  5. Step 5: Solve for x
    x = 997,525,831.29/42,372.94
  6. Step 6: Final answer
    x = 23,541.58

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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.