Home / 45,565.34-68,358.04-13,979.76

Finding the Fourth Proportional to 45,565.34, 68,358.04 and 13,979.76

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Solution

The fourth proportional to 45,565.34, 68,358.04 and 13,979.76 is: 20,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,565.34 : 68,358.04 = 13,979.76 : x
  2. Step 2: Convert to fraction form
    45,565.34/68,358.04 = 13,979.76/x
  3. Step 3: Cross multiply
    45,565.34x = 68,358.04 × 13,979.76
  4. Step 4: Simplify right side
    45,565.34x = 955,628,993.27
  5. Step 5: Solve for x
    x = 955,628,993.27/45,565.34
  6. Step 6: Final answer
    x = 20,972.72

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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.