Home / 40,748.06-61,127.80-38,507.06

Finding the Fourth Proportional to 40,748.06, 61,127.80 and 38,507.06

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Solution

The fourth proportional to 40,748.06, 61,127.80 and 38,507.06 is: 57,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.06 : 61,127.80 = 38,507.06 : x
  2. Step 2: Convert to fraction form
    40,748.06/61,127.80 = 38,507.06/x
  3. Step 3: Cross multiply
    40,748.06x = 61,127.80 × 38,507.06
  4. Step 4: Simplify right side
    40,748.06x = 2,353,851,918.82
  5. Step 5: Solve for x
    x = 2,353,851,918.82/40,748.06
  6. Step 6: Final answer
    x = 57,765.98

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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.