Home / 45,391.30-62,622.81-28,155.69

Finding the Fourth Proportional to 45,391.30, 62,622.81 and 28,155.69

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Solution

The fourth proportional to 45,391.30, 62,622.81 and 28,155.69 is: 38,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.30 : 62,622.81 = 28,155.69 : x
  2. Step 2: Convert to fraction form
    45,391.30/62,622.81 = 28,155.69/x
  3. Step 3: Cross multiply
    45,391.30x = 62,622.81 × 28,155.69
  4. Step 4: Simplify right side
    45,391.30x = 1,763,188,425.29
  5. Step 5: Solve for x
    x = 1,763,188,425.29/45,391.30
  6. Step 6: Final answer
    x = 38,844.20

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Double scale
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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.