Home / 52,047.74-78,023.77-18,759.66

Finding the Fourth Proportional to 52,047.74, 78,023.77 and 18,759.66

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Solution

The fourth proportional to 52,047.74, 78,023.77 and 18,759.66 is: 28,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.74 : 78,023.77 = 18,759.66 : x
  2. Step 2: Convert to fraction form
    52,047.74/78,023.77 = 18,759.66/x
  3. Step 3: Cross multiply
    52,047.74x = 78,023.77 × 18,759.66
  4. Step 4: Simplify right side
    52,047.74x = 1,463,699,397.12
  5. Step 5: Solve for x
    x = 1,463,699,397.12/52,047.74
  6. Step 6: Final answer
    x = 28,122.25

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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.