Home / 48,001.75-72,012.86-18,419.33

Finding the Fourth Proportional to 48,001.75, 72,012.86 and 18,419.33

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Solution

The fourth proportional to 48,001.75, 72,012.86 and 18,419.33 is: 27,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.75 : 72,012.86 = 18,419.33 : x
  2. Step 2: Convert to fraction form
    48,001.75/72,012.86 = 18,419.33/x
  3. Step 3: Cross multiply
    48,001.75x = 72,012.86 × 18,419.33
  4. Step 4: Simplify right side
    48,001.75x = 1,326,428,632.58
  5. Step 5: Solve for x
    x = 1,326,428,632.58/48,001.75
  6. Step 6: Final answer
    x = 27,632.92

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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.