Home / 54,690.42-81,977.13-39,060.66

Finding the Fourth Proportional to 54,690.42, 81,977.13 and 39,060.66

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Solution

The fourth proportional to 54,690.42, 81,977.13 and 39,060.66 is: 58,549.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.42 : 81,977.13 = 39,060.66 : x
  2. Step 2: Convert to fraction form
    54,690.42/81,977.13 = 39,060.66/x
  3. Step 3: Cross multiply
    54,690.42x = 81,977.13 × 39,060.66
  4. Step 4: Simplify right side
    54,690.42x = 3,202,080,802.71
  5. Step 5: Solve for x
    x = 3,202,080,802.71/54,690.42
  6. Step 6: Final answer
    x = 58,549.21

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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.