Home / 40,669-56,158.24-25,586.80

Finding the Fourth Proportional to 40,669, 56,158.24 and 25,586.80

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Solution

The fourth proportional to 40,669, 56,158.24 and 25,586.80 is: 35,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,669 : 56,158.24 = 25,586.80 : x
  2. Step 2: Convert to fraction form
    40,669/56,158.24 = 25,586.80/x
  3. Step 3: Cross multiply
    40,669x = 56,158.24 × 25,586.80
  4. Step 4: Simplify right side
    40,669x = 1,436,909,655.23
  5. Step 5: Solve for x
    x = 1,436,909,655.23/40,669
  6. Step 6: Final answer
    x = 35,331.82

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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.