Home / 40,849.79-61,267.40-10,864.20

Finding the Fourth Proportional to 40,849.79, 61,267.40 and 10,864.20

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Solution

The fourth proportional to 40,849.79, 61,267.40 and 10,864.20 is: 16,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,849.79 : 61,267.40 = 10,864.20 : x
  2. Step 2: Convert to fraction form
    40,849.79/61,267.40 = 10,864.20/x
  3. Step 3: Cross multiply
    40,849.79x = 61,267.40 × 10,864.20
  4. Step 4: Simplify right side
    40,849.79x = 665,621,232.76
  5. Step 5: Solve for x
    x = 665,621,232.76/40,849.79
  6. Step 6: Final answer
    x = 16,294.36

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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.