Home / 77,017.08-115,502.10-32,643

Finding the Fourth Proportional to 77,017.08, 115,502.10 and 32,643

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Solution

The fourth proportional to 77,017.08, 115,502.10 and 32,643 is: 48,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017.08 : 115,502.10 = 32,643 : x
  2. Step 2: Convert to fraction form
    77,017.08/115,502.10 = 32,643/x
  3. Step 3: Cross multiply
    77,017.08x = 115,502.10 × 32,643
  4. Step 4: Simplify right side
    77,017.08x = 3,770,335,050.30
  5. Step 5: Solve for x
    x = 3,770,335,050.30/77,017.08
  6. Step 6: Final answer
    x = 48,954.53

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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.