Home / 51,816.70-77,725.05-39,375.10

Finding the Fourth Proportional to 51,816.70, 77,725.05 and 39,375.10

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Solution

The fourth proportional to 51,816.70, 77,725.05 and 39,375.10 is: 59,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.70 : 77,725.05 = 39,375.10 : x
  2. Step 2: Convert to fraction form
    51,816.70/77,725.05 = 39,375.10/x
  3. Step 3: Cross multiply
    51,816.70x = 77,725.05 × 39,375.10
  4. Step 4: Simplify right side
    51,816.70x = 3,060,431,616.26
  5. Step 5: Solve for x
    x = 3,060,431,616.26/51,816.70
  6. Step 6: Final answer
    x = 59,062.65

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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.