Home / 38,829.20-58,243.80-36,642.20

Finding the Fourth Proportional to 38,829.20, 58,243.80 and 36,642.20

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Solution

The fourth proportional to 38,829.20, 58,243.80 and 36,642.20 is: 54,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.20 : 58,243.80 = 36,642.20 : x
  2. Step 2: Convert to fraction form
    38,829.20/58,243.80 = 36,642.20/x
  3. Step 3: Cross multiply
    38,829.20x = 58,243.80 × 36,642.20
  4. Step 4: Simplify right side
    38,829.20x = 2,134,180,968.36
  5. Step 5: Solve for x
    x = 2,134,180,968.36/38,829.20
  6. Step 6: Final answer
    x = 54,963.30

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1.5x scale

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.