Home / 48,108.74-71,810.78-42,427.44

Finding the Fourth Proportional to 48,108.74, 71,810.78 and 42,427.44

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Solution

The fourth proportional to 48,108.74, 71,810.78 and 42,427.44 is: 63,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.74 : 71,810.78 = 42,427.44 : x
  2. Step 2: Convert to fraction form
    48,108.74/71,810.78 = 42,427.44/x
  3. Step 3: Cross multiply
    48,108.74x = 71,810.78 × 42,427.44
  4. Step 4: Simplify right side
    48,108.74x = 3,046,747,347.67
  5. Step 5: Solve for x
    x = 3,046,747,347.67/48,108.74
  6. Step 6: Final answer
    x = 63,330.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.