Home / 61,389.29-84,716.36-34,531.79

Finding the Fourth Proportional to 61,389.29, 84,716.36 and 34,531.79

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Solution

The fourth proportional to 61,389.29, 84,716.36 and 34,531.79 is: 47,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,389.29 : 84,716.36 = 34,531.79 : x
  2. Step 2: Convert to fraction form
    61,389.29/84,716.36 = 34,531.79/x
  3. Step 3: Cross multiply
    61,389.29x = 84,716.36 × 34,531.79
  4. Step 4: Simplify right side
    61,389.29x = 2,925,407,592.22
  5. Step 5: Solve for x
    x = 2,925,407,592.22/61,389.29
  6. Step 6: Final answer
    x = 47,653.39

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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.