Home / 64,880.16-89,534.48-36,585.65

Finding the Fourth Proportional to 64,880.16, 89,534.48 and 36,585.65

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Solution

The fourth proportional to 64,880.16, 89,534.48 and 36,585.65 is: 50,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.16 : 89,534.48 = 36,585.65 : x
  2. Step 2: Convert to fraction form
    64,880.16/89,534.48 = 36,585.65/x
  3. Step 3: Cross multiply
    64,880.16x = 89,534.48 × 36,585.65
  4. Step 4: Simplify right side
    64,880.16x = 3,275,676,517.61
  5. Step 5: Solve for x
    x = 3,275,676,517.61/64,880.16
  6. Step 6: Final answer
    x = 50,488.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.