Home / 35,304.42-48,720.78-19,387.92

Finding the Fourth Proportional to 35,304.42, 48,720.78 and 19,387.92

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Solution

The fourth proportional to 35,304.42, 48,720.78 and 19,387.92 is: 26,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,304.42 : 48,720.78 = 19,387.92 : x
  2. Step 2: Convert to fraction form
    35,304.42/48,720.78 = 19,387.92/x
  3. Step 3: Cross multiply
    35,304.42x = 48,720.78 × 19,387.92
  4. Step 4: Simplify right side
    35,304.42x = 944,594,584.98
  5. Step 5: Solve for x
    x = 944,594,584.98/35,304.42
  6. Step 6: Final answer
    x = 26,755.70

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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.