Home / 45,446.92-62,699.32-28,211.20

Finding the Fourth Proportional to 45,446.92, 62,699.32 and 28,211.20

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Solution

The fourth proportional to 45,446.92, 62,699.32 and 28,211.20 is: 38,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.92 : 62,699.32 = 28,211.20 : x
  2. Step 2: Convert to fraction form
    45,446.92/62,699.32 = 28,211.20/x
  3. Step 3: Cross multiply
    45,446.92x = 62,699.32 × 28,211.20
  4. Step 4: Simplify right side
    45,446.92x = 1,768,823,056.38
  5. Step 5: Solve for x
    x = 1,768,823,056.38/45,446.92
  6. Step 6: Final answer
    x = 38,920.64

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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.