Home / 30,132.80-41,574.84-17,555.12

Finding the Fourth Proportional to 30,132.80, 41,574.84 and 17,555.12

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Solution

The fourth proportional to 30,132.80, 41,574.84 and 17,555.12 is: 24,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.80 : 41,574.84 = 17,555.12 : x
  2. Step 2: Convert to fraction form
    30,132.80/41,574.84 = 17,555.12/x
  3. Step 3: Cross multiply
    30,132.80x = 41,574.84 × 17,555.12
  4. Step 4: Simplify right side
    30,132.80x = 729,851,305.18
  5. Step 5: Solve for x
    x = 729,851,305.18/30,132.80
  6. Step 6: Final answer
    x = 24,221.16

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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.