Home / 57,001.68-85,519.80-40,393.89

Finding the Fourth Proportional to 57,001.68, 85,519.80 and 40,393.89

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Solution

The fourth proportional to 57,001.68, 85,519.80 and 40,393.89 is: 60,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.68 : 85,519.80 = 40,393.89 : x
  2. Step 2: Convert to fraction form
    57,001.68/85,519.80 = 40,393.89/x
  3. Step 3: Cross multiply
    57,001.68x = 85,519.80 × 40,393.89
  4. Step 4: Simplify right side
    57,001.68x = 3,454,477,394.02
  5. Step 5: Solve for x
    x = 3,454,477,394.02/57,001.68
  6. Step 6: Final answer
    x = 60,603.08

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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.