Home / 42,542.18-58,707.21-23,678.90

Finding the Fourth Proportional to 42,542.18, 58,707.21 and 23,678.90

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Solution

The fourth proportional to 42,542.18, 58,707.21 and 23,678.90 is: 32,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.18 : 58,707.21 = 23,678.90 : x
  2. Step 2: Convert to fraction form
    42,542.18/58,707.21 = 23,678.90/x
  3. Step 3: Cross multiply
    42,542.18x = 58,707.21 × 23,678.90
  4. Step 4: Simplify right side
    42,542.18x = 1,390,122,154.87
  5. Step 5: Solve for x
    x = 1,390,122,154.87/42,542.18
  6. Step 6: Final answer
    x = 32,676.33

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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.