Home / 56,116.40-84,143.28-27,979.16

Finding the Fourth Proportional to 56,116.40, 84,143.28 and 27,979.16

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Solution

The fourth proportional to 56,116.40, 84,143.28 and 27,979.16 is: 41,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.40 : 84,143.28 = 27,979.16 : x
  2. Step 2: Convert to fraction form
    56,116.40/84,143.28 = 27,979.16/x
  3. Step 3: Cross multiply
    56,116.40x = 84,143.28 × 27,979.16
  4. Step 4: Simplify right side
    56,116.40x = 2,354,258,294.04
  5. Step 5: Solve for x
    x = 2,354,258,294.04/56,116.40
  6. Step 6: Final answer
    x = 41,953.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.