Home / 70,023.38-105,081.78-36,320.46

Finding the Fourth Proportional to 70,023.38, 105,081.78 and 36,320.46

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Solution

The fourth proportional to 70,023.38, 105,081.78 and 36,320.46 is: 54,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,023.38 : 105,081.78 = 36,320.46 : x
  2. Step 2: Convert to fraction form
    70,023.38/105,081.78 = 36,320.46/x
  3. Step 3: Cross multiply
    70,023.38x = 105,081.78 × 36,320.46
  4. Step 4: Simplify right side
    70,023.38x = 3,816,618,587.22
  5. Step 5: Solve for x
    x = 3,816,618,587.22/70,023.38
  6. Step 6: Final answer
    x = 54,504.92

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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.