Home / 35,158.66-48,520.29-20,053.78

Finding the Fourth Proportional to 35,158.66, 48,520.29 and 20,053.78

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Solution

The fourth proportional to 35,158.66, 48,520.29 and 20,053.78 is: 27,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.66 : 48,520.29 = 20,053.78 : x
  2. Step 2: Convert to fraction form
    35,158.66/48,520.29 = 20,053.78/x
  3. Step 3: Cross multiply
    35,158.66x = 48,520.29 × 20,053.78
  4. Step 4: Simplify right side
    35,158.66x = 973,015,221.20
  5. Step 5: Solve for x
    x = 973,015,221.20/35,158.66
  6. Step 6: Final answer
    x = 27,674.98

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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.