Home / 42,279.48-58,347-23,418.36

Finding the Fourth Proportional to 42,279.48, 58,347 and 23,418.36

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Solution

The fourth proportional to 42,279.48, 58,347 and 23,418.36 is: 32,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.48 : 58,347 = 23,418.36 : x
  2. Step 2: Convert to fraction form
    42,279.48/58,347 = 23,418.36/x
  3. Step 3: Cross multiply
    42,279.48x = 58,347 × 23,418.36
  4. Step 4: Simplify right side
    42,279.48x = 1,366,391,050.92
  5. Step 5: Solve for x
    x = 1,366,391,050.92/42,279.48
  6. Step 6: Final answer
    x = 32,318.07

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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.