Home / 40,417.12-60,586-19,351.20

Finding the Fourth Proportional to 40,417.12, 60,586 and 19,351.20

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Solution

The fourth proportional to 40,417.12, 60,586 and 19,351.20 is: 29,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.12 : 60,586 = 19,351.20 : x
  2. Step 2: Convert to fraction form
    40,417.12/60,586 = 19,351.20/x
  3. Step 3: Cross multiply
    40,417.12x = 60,586 × 19,351.20
  4. Step 4: Simplify right side
    40,417.12x = 1,172,411,803.20
  5. Step 5: Solve for x
    x = 1,172,411,803.20/40,417.12
  6. Step 6: Final answer
    x = 29,007.80

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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.