Home / 40,147.23-55,449.72-26,695.20

Finding the Fourth Proportional to 40,147.23, 55,449.72 and 26,695.20

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Solution

The fourth proportional to 40,147.23, 55,449.72 and 26,695.20 is: 36,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.23 : 55,449.72 = 26,695.20 : x
  2. Step 2: Convert to fraction form
    40,147.23/55,449.72 = 26,695.20/x
  3. Step 3: Cross multiply
    40,147.23x = 55,449.72 × 26,695.20
  4. Step 4: Simplify right side
    40,147.23x = 1,480,241,365.34
  5. Step 5: Solve for x
    x = 1,480,241,365.34/40,147.23
  6. Step 6: Final answer
    x = 36,870.32

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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.