Home / 48,726.80-73,119.36-21,024.80

Finding the Fourth Proportional to 48,726.80, 73,119.36 and 21,024.80

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Solution

The fourth proportional to 48,726.80, 73,119.36 and 21,024.80 is: 31,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,726.80 : 73,119.36 = 21,024.80 : x
  2. Step 2: Convert to fraction form
    48,726.80/73,119.36 = 21,024.80/x
  3. Step 3: Cross multiply
    48,726.80x = 73,119.36 × 21,024.80
  4. Step 4: Simplify right side
    48,726.80x = 1,537,319,920.13
  5. Step 5: Solve for x
    x = 1,537,319,920.13/48,726.80
  6. Step 6: Final answer
    x = 31,549.78

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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.