Home / 45,318.16-62,383.80-39,314.48

Finding the Fourth Proportional to 45,318.16, 62,383.80 and 39,314.48

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Solution

The fourth proportional to 45,318.16, 62,383.80 and 39,314.48 is: 54,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.16 : 62,383.80 = 39,314.48 : x
  2. Step 2: Convert to fraction form
    45,318.16/62,383.80 = 39,314.48/x
  3. Step 3: Cross multiply
    45,318.16x = 62,383.80 × 39,314.48
  4. Step 4: Simplify right side
    45,318.16x = 2,452,586,657.42
  5. Step 5: Solve for x
    x = 2,452,586,657.42/45,318.16
  6. Step 6: Final answer
    x = 54,119.29

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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.