Home / 61,705.22-85,182.78-39,055.19

Finding the Fourth Proportional to 61,705.22, 85,182.78 and 39,055.19

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Solution

The fourth proportional to 61,705.22, 85,182.78 and 39,055.19 is: 53,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705.22 : 85,182.78 = 39,055.19 : x
  2. Step 2: Convert to fraction form
    61,705.22/85,182.78 = 39,055.19/x
  3. Step 3: Cross multiply
    61,705.22x = 85,182.78 × 39,055.19
  4. Step 4: Simplify right side
    61,705.22x = 3,326,829,231.71
  5. Step 5: Solve for x
    x = 3,326,829,231.71/61,705.22
  6. Step 6: Final answer
    x = 53,914.88

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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.