Home / 50,485.80-75,732.30-15,425.40

Finding the Fourth Proportional to 50,485.80, 75,732.30 and 15,425.40

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Solution

The fourth proportional to 50,485.80, 75,732.30 and 15,425.40 is: 23,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.80 : 75,732.30 = 15,425.40 : x
  2. Step 2: Convert to fraction form
    50,485.80/75,732.30 = 15,425.40/x
  3. Step 3: Cross multiply
    50,485.80x = 75,732.30 × 15,425.40
  4. Step 4: Simplify right side
    50,485.80x = 1,168,201,020.42
  5. Step 5: Solve for x
    x = 1,168,201,020.42/50,485.80
  6. Step 6: Final answer
    x = 23,139.20

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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.