Home / 30,229.30-45,146.19-25,739.07

Finding the Fourth Proportional to 30,229.30, 45,146.19 and 25,739.07

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Solution

The fourth proportional to 30,229.30, 45,146.19 and 25,739.07 is: 38,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.30 : 45,146.19 = 25,739.07 : x
  2. Step 2: Convert to fraction form
    30,229.30/45,146.19 = 25,739.07/x
  3. Step 3: Cross multiply
    30,229.30x = 45,146.19 × 25,739.07
  4. Step 4: Simplify right side
    30,229.30x = 1,162,020,944.64
  5. Step 5: Solve for x
    x = 1,162,020,944.64/30,229.30
  6. Step 6: Final answer
    x = 38,440.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.