Home / 45,454.28-62,746.32-30,558.92

Finding the Fourth Proportional to 45,454.28, 62,746.32 and 30,558.92

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Solution

The fourth proportional to 45,454.28, 62,746.32 and 30,558.92 is: 42,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.28 : 62,746.32 = 30,558.92 : x
  2. Step 2: Convert to fraction form
    45,454.28/62,746.32 = 30,558.92/x
  3. Step 3: Cross multiply
    45,454.28x = 62,746.32 × 30,558.92
  4. Step 4: Simplify right side
    45,454.28x = 1,917,459,773.17
  5. Step 5: Solve for x
    x = 1,917,459,773.17/45,454.28
  6. Step 6: Final answer
    x = 42,184.36

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Double scale
Find fourth proportional to 45,455.28, 62,747.70 and 30,559.92
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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.