Home / 45,358.58-68,014.52-20,377.18

Finding the Fourth Proportional to 45,358.58, 68,014.52 and 20,377.18

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Solution

The fourth proportional to 45,358.58, 68,014.52 and 20,377.18 is: 30,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.58 : 68,014.52 = 20,377.18 : x
  2. Step 2: Convert to fraction form
    45,358.58/68,014.52 = 20,377.18/x
  3. Step 3: Cross multiply
    45,358.58x = 68,014.52 × 20,377.18
  4. Step 4: Simplify right side
    45,358.58x = 1,385,944,176.20
  5. Step 5: Solve for x
    x = 1,385,944,176.20/45,358.58
  6. Step 6: Final answer
    x = 30,555.28

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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.