Home / 42,156.78-58,177.53-23,295.12

Finding the Fourth Proportional to 42,156.78, 58,177.53 and 23,295.12

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Solution

The fourth proportional to 42,156.78, 58,177.53 and 23,295.12 is: 32,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,156.78 : 58,177.53 = 23,295.12 : x
  2. Step 2: Convert to fraction form
    42,156.78/58,177.53 = 23,295.12/x
  3. Step 3: Cross multiply
    42,156.78x = 58,177.53 × 23,295.12
  4. Step 4: Simplify right side
    42,156.78x = 1,355,252,542.65
  5. Step 5: Solve for x
    x = 1,355,252,542.65/42,156.78
  6. Step 6: Final answer
    x = 32,147.91

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Double scale
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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.