Home / 40,760.36-61,041.78-20,717.13

Finding the Fourth Proportional to 40,760.36, 61,041.78 and 20,717.13

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Solution

The fourth proportional to 40,760.36, 61,041.78 and 20,717.13 is: 31,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,760.36 : 61,041.78 = 20,717.13 : x
  2. Step 2: Convert to fraction form
    40,760.36/61,041.78 = 20,717.13/x
  3. Step 3: Cross multiply
    40,760.36x = 61,041.78 × 20,717.13
  4. Step 4: Simplify right side
    40,760.36x = 1,264,610,491.69
  5. Step 5: Solve for x
    x = 1,264,610,491.69/40,760.36
  6. Step 6: Final answer
    x = 31,025.50

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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.