Home / 30,020.52-41,397.16-25,785.50

Finding the Fourth Proportional to 30,020.52, 41,397.16 and 25,785.50

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Solution

The fourth proportional to 30,020.52, 41,397.16 and 25,785.50 is: 35,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.52 : 41,397.16 = 25,785.50 : x
  2. Step 2: Convert to fraction form
    30,020.52/41,397.16 = 25,785.50/x
  3. Step 3: Cross multiply
    30,020.52x = 41,397.16 × 25,785.50
  4. Step 4: Simplify right side
    30,020.52x = 1,067,446,340.25
  5. Step 5: Solve for x
    x = 1,067,446,340.25/30,020.52
  6. Step 6: Final answer
    x = 35,557.22

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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.