Home / 40,123.55-60,133.82-15,133.84

Finding the Fourth Proportional to 40,123.55, 60,133.82 and 15,133.84

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Solution

The fourth proportional to 40,123.55, 60,133.82 and 15,133.84 is: 22,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.55 : 60,133.82 = 15,133.84 : x
  2. Step 2: Convert to fraction form
    40,123.55/60,133.82 = 15,133.84/x
  3. Step 3: Cross multiply
    40,123.55x = 60,133.82 × 15,133.84
  4. Step 4: Simplify right side
    40,123.55x = 910,055,427.03
  5. Step 5: Solve for x
    x = 910,055,427.03/40,123.55
  6. Step 6: Final answer
    x = 22,681.33

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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.