Home / 35,322.60-52,966.80-20,535.78

Finding the Fourth Proportional to 35,322.60, 52,966.80 and 20,535.78

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Solution

The fourth proportional to 35,322.60, 52,966.80 and 20,535.78 is: 30,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.60 : 52,966.80 = 20,535.78 : x
  2. Step 2: Convert to fraction form
    35,322.60/52,966.80 = 20,535.78/x
  3. Step 3: Cross multiply
    35,322.60x = 52,966.80 × 20,535.78
  4. Step 4: Simplify right side
    35,322.60x = 1,087,714,552.10
  5. Step 5: Solve for x
    x = 1,087,714,552.10/35,322.60
  6. Step 6: Final answer
    x = 30,793.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.