Home / 30,534.24-42,143.76-17,966.16

Finding the Fourth Proportional to 30,534.24, 42,143.76 and 17,966.16

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Solution

The fourth proportional to 30,534.24, 42,143.76 and 17,966.16 is: 24,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.24 : 42,143.76 = 17,966.16 : x
  2. Step 2: Convert to fraction form
    30,534.24/42,143.76 = 17,966.16/x
  3. Step 3: Cross multiply
    30,534.24x = 42,143.76 × 17,966.16
  4. Step 4: Simplify right side
    30,534.24x = 757,161,535.16
  5. Step 5: Solve for x
    x = 757,161,535.16/30,534.24
  6. Step 6: Final answer
    x = 24,797.13

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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.