Home / 55,858.40-83,761.27-20,294.65

Finding the Fourth Proportional to 55,858.40, 83,761.27 and 20,294.65

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Solution

The fourth proportional to 55,858.40, 83,761.27 and 20,294.65 is: 30,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,858.40 : 83,761.27 = 20,294.65 : x
  2. Step 2: Convert to fraction form
    55,858.40/83,761.27 = 20,294.65/x
  3. Step 3: Cross multiply
    55,858.40x = 83,761.27 × 20,294.65
  4. Step 4: Simplify right side
    55,858.40x = 1,699,905,658.21
  5. Step 5: Solve for x
    x = 1,699,905,658.21/55,858.40
  6. Step 6: Final answer
    x = 30,432.41

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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.