Home / 42,144.66-58,160.10-23,281.80

Finding the Fourth Proportional to 42,144.66, 58,160.10 and 23,281.80

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Solution

The fourth proportional to 42,144.66, 58,160.10 and 23,281.80 is: 32,129.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,144.66 : 58,160.10 = 23,281.80 : x
  2. Step 2: Convert to fraction form
    42,144.66/58,160.10 = 23,281.80/x
  3. Step 3: Cross multiply
    42,144.66x = 58,160.10 × 23,281.80
  4. Step 4: Simplify right side
    42,144.66x = 1,354,071,816.18
  5. Step 5: Solve for x
    x = 1,354,071,816.18/42,144.66
  6. Step 6: Final answer
    x = 32,129.14

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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.