Home / 63,287.12-87,329.72-36,424.40

Finding the Fourth Proportional to 63,287.12, 87,329.72 and 36,424.40

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Solution

The fourth proportional to 63,287.12, 87,329.72 and 36,424.40 is: 50,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,287.12 : 87,329.72 = 36,424.40 : x
  2. Step 2: Convert to fraction form
    63,287.12/87,329.72 = 36,424.40/x
  3. Step 3: Cross multiply
    63,287.12x = 87,329.72 × 36,424.40
  4. Step 4: Simplify right side
    63,287.12x = 3,180,932,653.17
  5. Step 5: Solve for x
    x = 3,180,932,653.17/63,287.12
  6. Step 6: Final answer
    x = 50,261.93

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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.