Home / 42,015.78-57,979.53-24,116.40

Finding the Fourth Proportional to 42,015.78, 57,979.53 and 24,116.40

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Solution

The fourth proportional to 42,015.78, 57,979.53 and 24,116.40 is: 33,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.78 : 57,979.53 = 24,116.40 : x
  2. Step 2: Convert to fraction form
    42,015.78/57,979.53 = 24,116.40/x
  3. Step 3: Cross multiply
    42,015.78x = 57,979.53 × 24,116.40
  4. Step 4: Simplify right side
    42,015.78x = 1,398,257,537.29
  5. Step 5: Solve for x
    x = 1,398,257,537.29/42,015.78
  6. Step 6: Final answer
    x = 33,279.34

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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.