Home / 42,243.35-58,294.94-23,122.65

Finding the Fourth Proportional to 42,243.35, 58,294.94 and 23,122.65

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Solution

The fourth proportional to 42,243.35, 58,294.94 and 23,122.65 is: 31,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243.35 : 58,294.94 = 23,122.65 : x
  2. Step 2: Convert to fraction form
    42,243.35/58,294.94 = 23,122.65/x
  3. Step 3: Cross multiply
    42,243.35x = 58,294.94 × 23,122.65
  4. Step 4: Simplify right side
    42,243.35x = 1,347,933,378.78
  5. Step 5: Solve for x
    x = 1,347,933,378.78/42,243.35
  6. Step 6: Final answer
    x = 31,908.77

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Half scale
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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.