Home / 40,301.28-60,434.64-15,660

Finding the Fourth Proportional to 40,301.28, 60,434.64 and 15,660

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Solution

The fourth proportional to 40,301.28, 60,434.64 and 15,660 is: 23,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,301.28 : 60,434.64 = 15,660 : x
  2. Step 2: Convert to fraction form
    40,301.28/60,434.64 = 15,660/x
  3. Step 3: Cross multiply
    40,301.28x = 60,434.64 × 15,660
  4. Step 4: Simplify right side
    40,301.28x = 946,406,462.40
  5. Step 5: Solve for x
    x = 946,406,462.40/40,301.28
  6. Step 6: Final answer
    x = 23,483.29

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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.