Home / 52,286.81-72,155.61-29,630.12

Finding the Fourth Proportional to 52,286.81, 72,155.61 and 29,630.12

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Solution

The fourth proportional to 52,286.81, 72,155.61 and 29,630.12 is: 40,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.81 : 72,155.61 = 29,630.12 : x
  2. Step 2: Convert to fraction form
    52,286.81/72,155.61 = 29,630.12/x
  3. Step 3: Cross multiply
    52,286.81x = 72,155.61 × 29,630.12
  4. Step 4: Simplify right side
    52,286.81x = 2,137,979,022.20
  5. Step 5: Solve for x
    x = 2,137,979,022.20/52,286.81
  6. Step 6: Final answer
    x = 40,889.46

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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.