Home / 61,178.88-84,421.89-34,317.66

Finding the Fourth Proportional to 61,178.88, 84,421.89 and 34,317.66

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Solution

The fourth proportional to 61,178.88, 84,421.89 and 34,317.66 is: 47,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.88 : 84,421.89 = 34,317.66 : x
  2. Step 2: Convert to fraction form
    61,178.88/84,421.89 = 34,317.66/x
  3. Step 3: Cross multiply
    61,178.88x = 84,421.89 × 34,317.66
  4. Step 4: Simplify right side
    61,178.88x = 2,897,161,717.58
  5. Step 5: Solve for x
    x = 2,897,161,717.58/61,178.88
  6. Step 6: Final answer
    x = 47,355.59

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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.