Home / 61,945.40-85,498.26-40,726.64

Finding the Fourth Proportional to 61,945.40, 85,498.26 and 40,726.64

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Solution

The fourth proportional to 61,945.40, 85,498.26 and 40,726.64 is: 56,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945.40 : 85,498.26 = 40,726.64 : x
  2. Step 2: Convert to fraction form
    61,945.40/85,498.26 = 40,726.64/x
  3. Step 3: Cross multiply
    61,945.40x = 85,498.26 × 40,726.64
  4. Step 4: Simplify right side
    61,945.40x = 3,482,056,855.65
  5. Step 5: Solve for x
    x = 3,482,056,855.65/61,945.40
  6. Step 6: Final answer
    x = 56,211.71

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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.