Home / 45,305.57-62,448.99-30,765.19

Finding the Fourth Proportional to 45,305.57, 62,448.99 and 30,765.19

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Solution

The fourth proportional to 45,305.57, 62,448.99 and 30,765.19 is: 42,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.57 : 62,448.99 = 30,765.19 : x
  2. Step 2: Convert to fraction form
    45,305.57/62,448.99 = 30,765.19/x
  3. Step 3: Cross multiply
    45,305.57x = 62,448.99 × 30,765.19
  4. Step 4: Simplify right side
    45,305.57x = 1,921,255,042.66
  5. Step 5: Solve for x
    x = 1,921,255,042.66/45,305.57
  6. Step 6: Final answer
    x = 42,406.60

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Half scale
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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.