Home / 40,679.50-56,131.02-25,561.45

Finding the Fourth Proportional to 40,679.50, 56,131.02 and 25,561.45

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Solution

The fourth proportional to 40,679.50, 56,131.02 and 25,561.45 is: 35,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.50 : 56,131.02 = 25,561.45 : x
  2. Step 2: Convert to fraction form
    40,679.50/56,131.02 = 25,561.45/x
  3. Step 3: Cross multiply
    40,679.50x = 56,131.02 × 25,561.45
  4. Step 4: Simplify right side
    40,679.50x = 1,434,790,261.18
  5. Step 5: Solve for x
    x = 1,434,790,261.18/40,679.50
  6. Step 6: Final answer
    x = 35,270.60

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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.