Home / 40,314.44-60,456.09-13,290.29

Finding the Fourth Proportional to 40,314.44, 60,456.09 and 13,290.29

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Solution

The fourth proportional to 40,314.44, 60,456.09 and 13,290.29 is: 19,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.44 : 60,456.09 = 13,290.29 : x
  2. Step 2: Convert to fraction form
    40,314.44/60,456.09 = 13,290.29/x
  3. Step 3: Cross multiply
    40,314.44x = 60,456.09 × 13,290.29
  4. Step 4: Simplify right side
    40,314.44x = 803,478,666.09
  5. Step 5: Solve for x
    x = 803,478,666.09/40,314.44
  6. Step 6: Final answer
    x = 19,930.30

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1.5x scale

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.