Home / 35,423.77-48,870.13-21,080.73

Finding the Fourth Proportional to 35,423.77, 48,870.13 and 21,080.73

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Solution

The fourth proportional to 35,423.77, 48,870.13 and 21,080.73 is: 29,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.77 : 48,870.13 = 21,080.73 : x
  2. Step 2: Convert to fraction form
    35,423.77/48,870.13 = 21,080.73/x
  3. Step 3: Cross multiply
    35,423.77x = 48,870.13 × 21,080.73
  4. Step 4: Simplify right side
    35,423.77x = 1,030,218,015.59
  5. Step 5: Solve for x
    x = 1,030,218,015.59/35,423.77
  6. Step 6: Final answer
    x = 29,082.68

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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.