Home / 51,319.56-76,979.34-23,617.80

Finding the Fourth Proportional to 51,319.56, 76,979.34 and 23,617.80

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Solution

The fourth proportional to 51,319.56, 76,979.34 and 23,617.80 is: 35,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,319.56 : 76,979.34 = 23,617.80 : x
  2. Step 2: Convert to fraction form
    51,319.56/76,979.34 = 23,617.80/x
  3. Step 3: Cross multiply
    51,319.56x = 76,979.34 × 23,617.80
  4. Step 4: Simplify right side
    51,319.56x = 1,818,082,656.25
  5. Step 5: Solve for x
    x = 1,818,082,656.25/51,319.56
  6. Step 6: Final answer
    x = 35,426.70

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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.