Home / 63,721.02-87,939.63-38,228.49

Finding the Fourth Proportional to 63,721.02, 87,939.63 and 38,228.49

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Solution

The fourth proportional to 63,721.02, 87,939.63 and 38,228.49 is: 52,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.02 : 87,939.63 = 38,228.49 : x
  2. Step 2: Convert to fraction form
    63,721.02/87,939.63 = 38,228.49/x
  3. Step 3: Cross multiply
    63,721.02x = 87,939.63 × 38,228.49
  4. Step 4: Simplify right side
    63,721.02x = 3,361,799,266.06
  5. Step 5: Solve for x
    x = 3,361,799,266.06/63,721.02
  6. Step 6: Final answer
    x = 52,758.09

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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.