Home / 55,717.82-76,885.98-30,567.32

Finding the Fourth Proportional to 55,717.82, 76,885.98 and 30,567.32

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Solution

The fourth proportional to 55,717.82, 76,885.98 and 30,567.32 is: 42,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,717.82 : 76,885.98 = 30,567.32 : x
  2. Step 2: Convert to fraction form
    55,717.82/76,885.98 = 30,567.32/x
  3. Step 3: Cross multiply
    55,717.82x = 76,885.98 × 30,567.32
  4. Step 4: Simplify right side
    55,717.82x = 2,350,198,354.17
  5. Step 5: Solve for x
    x = 2,350,198,354.17/55,717.82
  6. Step 6: Final answer
    x = 42,180.37

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1.5x scale

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.