Home / 34,808.28-48,041.55-19,701.78

Finding the Fourth Proportional to 34,808.28, 48,041.55 and 19,701.78

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Solution

The fourth proportional to 34,808.28, 48,041.55 and 19,701.78 is: 27,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.28 : 48,041.55 = 19,701.78 : x
  2. Step 2: Convert to fraction form
    34,808.28/48,041.55 = 19,701.78/x
  3. Step 3: Cross multiply
    34,808.28x = 48,041.55 × 19,701.78
  4. Step 4: Simplify right side
    34,808.28x = 946,504,048.96
  5. Step 5: Solve for x
    x = 946,504,048.96/34,808.28
  6. Step 6: Final answer
    x = 27,191.92

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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.