Home / 63,020.12-86,959.86-36,159.08

Finding the Fourth Proportional to 63,020.12, 86,959.86 and 36,159.08

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Solution

The fourth proportional to 63,020.12, 86,959.86 and 36,159.08 is: 49,894.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,020.12 : 86,959.86 = 36,159.08 : x
  2. Step 2: Convert to fraction form
    63,020.12/86,959.86 = 36,159.08/x
  3. Step 3: Cross multiply
    63,020.12x = 86,959.86 × 36,159.08
  4. Step 4: Simplify right side
    63,020.12x = 3,144,388,534.53
  5. Step 5: Solve for x
    x = 3,144,388,534.53/63,020.12
  6. Step 6: Final answer
    x = 49,894.99

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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.