Home / 52,720.65-78,982.56-35,202.78

Finding the Fourth Proportional to 52,720.65, 78,982.56 and 35,202.78

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Solution

The fourth proportional to 52,720.65, 78,982.56 and 35,202.78 is: 52,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.65 : 78,982.56 = 35,202.78 : x
  2. Step 2: Convert to fraction form
    52,720.65/78,982.56 = 35,202.78/x
  3. Step 3: Cross multiply
    52,720.65x = 78,982.56 × 35,202.78
  4. Step 4: Simplify right side
    52,720.65x = 2,780,405,683.52
  5. Step 5: Solve for x
    x = 2,780,405,683.52/52,720.65
  6. Step 6: Final answer
    x = 52,738.46

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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.