Home / 56,881.85-85,294.69-17,429.45

Finding the Fourth Proportional to 56,881.85, 85,294.69 and 17,429.45

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Solution

The fourth proportional to 56,881.85, 85,294.69 and 17,429.45 is: 26,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.85 : 85,294.69 = 17,429.45 : x
  2. Step 2: Convert to fraction form
    56,881.85/85,294.69 = 17,429.45/x
  3. Step 3: Cross multiply
    56,881.85x = 85,294.69 × 17,429.45
  4. Step 4: Simplify right side
    56,881.85x = 1,486,639,064.57
  5. Step 5: Solve for x
    x = 1,486,639,064.57/56,881.85
  6. Step 6: Final answer
    x = 26,135.56

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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.