Home / 40,610.64-60,916.28-14,309.36

Finding the Fourth Proportional to 40,610.64, 60,916.28 and 14,309.36

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Solution

The fourth proportional to 40,610.64, 60,916.28 and 14,309.36 is: 21,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,610.64 : 60,916.28 = 14,309.36 : x
  2. Step 2: Convert to fraction form
    40,610.64/60,916.28 = 14,309.36/x
  3. Step 3: Cross multiply
    40,610.64x = 60,916.28 × 14,309.36
  4. Step 4: Simplify right side
    40,610.64x = 871,672,980.38
  5. Step 5: Solve for x
    x = 871,672,980.38/40,610.64
  6. Step 6: Final answer
    x = 21,464.15

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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.