Home / 55,423.20-83,058.18-48,009.28

Finding the Fourth Proportional to 55,423.20, 83,058.18 and 48,009.28

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Solution

The fourth proportional to 55,423.20, 83,058.18 and 48,009.28 is: 71,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.20 : 83,058.18 = 48,009.28 : x
  2. Step 2: Convert to fraction form
    55,423.20/83,058.18 = 48,009.28/x
  3. Step 3: Cross multiply
    55,423.20x = 83,058.18 × 48,009.28
  4. Step 4: Simplify right side
    55,423.20x = 3,987,563,419.91
  5. Step 5: Solve for x
    x = 3,987,563,419.91/55,423.20
  6. Step 6: Final answer
    x = 71,947.55

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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.