Home / 57,557.67-86,269.14-21,995.70

Finding the Fourth Proportional to 57,557.67, 86,269.14 and 21,995.70

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Solution

The fourth proportional to 57,557.67, 86,269.14 and 21,995.70 is: 32,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,557.67 : 86,269.14 = 21,995.70 : x
  2. Step 2: Convert to fraction form
    57,557.67/86,269.14 = 21,995.70/x
  3. Step 3: Cross multiply
    57,557.67x = 86,269.14 × 21,995.70
  4. Step 4: Simplify right side
    57,557.67x = 1,897,550,122.70
  5. Step 5: Solve for x
    x = 1,897,550,122.70/57,557.67
  6. Step 6: Final answer
    x = 32,967.81

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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.