Home / 40,862.89-56,393.19-30,773.53

Finding the Fourth Proportional to 40,862.89, 56,393.19 and 30,773.53

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Solution

The fourth proportional to 40,862.89, 56,393.19 and 30,773.53 is: 42,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,862.89 : 56,393.19 = 30,773.53 : x
  2. Step 2: Convert to fraction form
    40,862.89/56,393.19 = 30,773.53/x
  3. Step 3: Cross multiply
    40,862.89x = 56,393.19 × 30,773.53
  4. Step 4: Simplify right side
    40,862.89x = 1,735,417,524.26
  5. Step 5: Solve for x
    x = 1,735,417,524.26/40,862.89
  6. Step 6: Final answer
    x = 42,469.28

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1.5x scale

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.