Home / 42,542.08-58,707.12-23,680.96

Finding the Fourth Proportional to 42,542.08, 58,707.12 and 23,680.96

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Solution

The fourth proportional to 42,542.08, 58,707.12 and 23,680.96 is: 32,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.08 : 58,707.12 = 23,680.96 : x
  2. Step 2: Convert to fraction form
    42,542.08/58,707.12 = 23,680.96/x
  3. Step 3: Cross multiply
    42,542.08x = 58,707.12 × 23,680.96
  4. Step 4: Simplify right side
    42,542.08x = 1,390,240,960.44
  5. Step 5: Solve for x
    x = 1,390,240,960.44/42,542.08
  6. Step 6: Final answer
    x = 32,679.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.