Home / 54,433.71-81,642.65-16,985.07

Finding the Fourth Proportional to 54,433.71, 81,642.65 and 16,985.07

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Solution

The fourth proportional to 54,433.71, 81,642.65 and 16,985.07 is: 25,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.71 : 81,642.65 = 16,985.07 : x
  2. Step 2: Convert to fraction form
    54,433.71/81,642.65 = 16,985.07/x
  3. Step 3: Cross multiply
    54,433.71x = 81,642.65 × 16,985.07
  4. Step 4: Simplify right side
    54,433.71x = 1,386,706,125.24
  5. Step 5: Solve for x
    x = 1,386,706,125.24/54,433.71
  6. Step 6: Final answer
    x = 25,475.14

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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.