Home / 48,443.90-72,670.07-13,383.59

Finding the Fourth Proportional to 48,443.90, 72,670.07 and 13,383.59

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Solution

The fourth proportional to 48,443.90, 72,670.07 and 13,383.59 is: 20,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.90 : 72,670.07 = 13,383.59 : x
  2. Step 2: Convert to fraction form
    48,443.90/72,670.07 = 13,383.59/x
  3. Step 3: Cross multiply
    48,443.90x = 72,670.07 × 13,383.59
  4. Step 4: Simplify right side
    48,443.90x = 972,586,422.15
  5. Step 5: Solve for x
    x = 972,586,422.15/48,443.90
  6. Step 6: Final answer
    x = 20,076.55

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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.