Home / 34,901.96-48,159.78-20,760.44

Finding the Fourth Proportional to 34,901.96, 48,159.78 and 20,760.44

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Solution

The fourth proportional to 34,901.96, 48,159.78 and 20,760.44 is: 28,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,901.96 : 48,159.78 = 20,760.44 : x
  2. Step 2: Convert to fraction form
    34,901.96/48,159.78 = 20,760.44/x
  3. Step 3: Cross multiply
    34,901.96x = 48,159.78 × 20,760.44
  4. Step 4: Simplify right side
    34,901.96x = 999,818,223.10
  5. Step 5: Solve for x
    x = 999,818,223.10/34,901.96
  6. Step 6: Final answer
    x = 28,646.48

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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.