Home / 40,853.67-61,243.56-28,379.55

Finding the Fourth Proportional to 40,853.67, 61,243.56 and 28,379.55

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Solution

The fourth proportional to 40,853.67, 61,243.56 and 28,379.55 is: 42,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,853.67 : 61,243.56 = 28,379.55 : x
  2. Step 2: Convert to fraction form
    40,853.67/61,243.56 = 28,379.55/x
  3. Step 3: Cross multiply
    40,853.67x = 61,243.56 × 28,379.55
  4. Step 4: Simplify right side
    40,853.67x = 1,738,064,673.20
  5. Step 5: Solve for x
    x = 1,738,064,673.20/40,853.67
  6. Step 6: Final answer
    x = 42,543.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.