Home / 56,438.92-77,870.22-34,918.34

Finding the Fourth Proportional to 56,438.92, 77,870.22 and 34,918.34

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Solution

The fourth proportional to 56,438.92, 77,870.22 and 34,918.34 is: 48,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.92 : 77,870.22 = 34,918.34 : x
  2. Step 2: Convert to fraction form
    56,438.92/77,870.22 = 34,918.34/x
  3. Step 3: Cross multiply
    56,438.92x = 77,870.22 × 34,918.34
  4. Step 4: Simplify right side
    56,438.92x = 2,719,098,297.54
  5. Step 5: Solve for x
    x = 2,719,098,297.54/56,438.92
  6. Step 6: Final answer
    x = 48,177.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.