Home / 52,292.12-72,157.38-29,629.40

Finding the Fourth Proportional to 52,292.12, 72,157.38 and 29,629.40

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Solution

The fourth proportional to 52,292.12, 72,157.38 and 29,629.40 is: 40,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.12 : 72,157.38 = 29,629.40 : x
  2. Step 2: Convert to fraction form
    52,292.12/72,157.38 = 29,629.40/x
  3. Step 3: Cross multiply
    52,292.12x = 72,157.38 × 29,629.40
  4. Step 4: Simplify right side
    52,292.12x = 2,137,979,874.97
  5. Step 5: Solve for x
    x = 2,137,979,874.97/52,292.12
  6. Step 6: Final answer
    x = 40,885.32

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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.