Home / 40,156.56-60,123.42-30,266.28

Finding the Fourth Proportional to 40,156.56, 60,123.42 and 30,266.28

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Solution

The fourth proportional to 40,156.56, 60,123.42 and 30,266.28 is: 45,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.56 : 60,123.42 = 30,266.28 : x
  2. Step 2: Convert to fraction form
    40,156.56/60,123.42 = 30,266.28/x
  3. Step 3: Cross multiply
    40,156.56x = 60,123.42 × 30,266.28
  4. Step 4: Simplify right side
    40,156.56x = 1,819,712,264.28
  5. Step 5: Solve for x
    x = 1,819,712,264.28/40,156.56
  6. Step 6: Final answer
    x = 45,315.44

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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.