Home / 56,979.98-85,460.10-15,417.26

Finding the Fourth Proportional to 56,979.98, 85,460.10 and 15,417.26

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Solution

The fourth proportional to 56,979.98, 85,460.10 and 15,417.26 is: 23,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.98 : 85,460.10 = 15,417.26 : x
  2. Step 2: Convert to fraction form
    56,979.98/85,460.10 = 15,417.26/x
  3. Step 3: Cross multiply
    56,979.98x = 85,460.10 × 15,417.26
  4. Step 4: Simplify right side
    56,979.98x = 1,317,560,581.33
  5. Step 5: Solve for x
    x = 1,317,560,581.33/56,979.98
  6. Step 6: Final answer
    x = 23,123.22

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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.