Home / 77,744.34-116,618.94-21,585.02

Finding the Fourth Proportional to 77,744.34, 116,618.94 and 21,585.02

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Solution

The fourth proportional to 77,744.34, 116,618.94 and 21,585.02 is: 32,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.34 : 116,618.94 = 21,585.02 : x
  2. Step 2: Convert to fraction form
    77,744.34/116,618.94 = 21,585.02/x
  3. Step 3: Cross multiply
    77,744.34x = 116,618.94 × 21,585.02
  4. Step 4: Simplify right side
    77,744.34x = 2,517,221,569.18
  5. Step 5: Solve for x
    x = 2,517,221,569.18/77,744.34
  6. Step 6: Final answer
    x = 32,378.20

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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.