Home / 40,986.81-61,356.29-29,145.42

Finding the Fourth Proportional to 40,986.81, 61,356.29 and 29,145.42

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Solution

The fourth proportional to 40,986.81, 61,356.29 and 29,145.42 is: 43,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,986.81 : 61,356.29 = 29,145.42 : x
  2. Step 2: Convert to fraction form
    40,986.81/61,356.29 = 29,145.42/x
  3. Step 3: Cross multiply
    40,986.81x = 61,356.29 × 29,145.42
  4. Step 4: Simplify right side
    40,986.81x = 1,788,254,695.96
  5. Step 5: Solve for x
    x = 1,788,254,695.96/40,986.81
  6. Step 6: Final answer
    x = 43,630.00

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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.