Home / 61,587.41-85,013.73-40,368.04

Finding the Fourth Proportional to 61,587.41, 85,013.73 and 40,368.04

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Solution

The fourth proportional to 61,587.41, 85,013.73 and 40,368.04 is: 55,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,587.41 : 85,013.73 = 40,368.04 : x
  2. Step 2: Convert to fraction form
    61,587.41/85,013.73 = 40,368.04/x
  3. Step 3: Cross multiply
    61,587.41x = 85,013.73 × 40,368.04
  4. Step 4: Simplify right side
    61,587.41x = 3,431,837,440.65
  5. Step 5: Solve for x
    x = 3,431,837,440.65/61,587.41
  6. Step 6: Final answer
    x = 55,723.04

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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.