Home / 38,535.89-57,807.68-10,456.39

Finding the Fourth Proportional to 38,535.89, 57,807.68 and 10,456.39

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Solution

The fourth proportional to 38,535.89, 57,807.68 and 10,456.39 is: 15,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,535.89 : 57,807.68 = 10,456.39 : x
  2. Step 2: Convert to fraction form
    38,535.89/57,807.68 = 10,456.39/x
  3. Step 3: Cross multiply
    38,535.89x = 57,807.68 × 10,456.39
  4. Step 4: Simplify right side
    38,535.89x = 604,459,667.05
  5. Step 5: Solve for x
    x = 604,459,667.05/38,535.89
  6. Step 6: Final answer
    x = 15,685.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.