Home / 40,166.86-55,438.12-25,621.68

Finding the Fourth Proportional to 40,166.86, 55,438.12 and 25,621.68

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Solution

The fourth proportional to 40,166.86, 55,438.12 and 25,621.68 is: 35,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.86 : 55,438.12 = 25,621.68 : x
  2. Step 2: Convert to fraction form
    40,166.86/55,438.12 = 25,621.68/x
  3. Step 3: Cross multiply
    40,166.86x = 55,438.12 × 25,621.68
  4. Step 4: Simplify right side
    40,166.86x = 1,420,417,770.44
  5. Step 5: Solve for x
    x = 1,420,417,770.44/40,166.86
  6. Step 6: Final answer
    x = 35,362.93

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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.