Home / 56,986.38-78,632.88-35,772.48

Finding the Fourth Proportional to 56,986.38, 78,632.88 and 35,772.48

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Solution

The fourth proportional to 56,986.38, 78,632.88 and 35,772.48 is: 49,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986.38 : 78,632.88 = 35,772.48 : x
  2. Step 2: Convert to fraction form
    56,986.38/78,632.88 = 35,772.48/x
  3. Step 3: Cross multiply
    56,986.38x = 78,632.88 × 35,772.48
  4. Step 4: Simplify right side
    56,986.38x = 2,812,893,127.14
  5. Step 5: Solve for x
    x = 2,812,893,127.14/56,986.38
  6. Step 6: Final answer
    x = 49,360.80

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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.