Home / 52,340.26-78,480.65-35,720.43

Finding the Fourth Proportional to 52,340.26, 78,480.65 and 35,720.43

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Solution

The fourth proportional to 52,340.26, 78,480.65 and 35,720.43 is: 53,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.26 : 78,480.65 = 35,720.43 : x
  2. Step 2: Convert to fraction form
    52,340.26/78,480.65 = 35,720.43/x
  3. Step 3: Cross multiply
    52,340.26x = 78,480.65 × 35,720.43
  4. Step 4: Simplify right side
    52,340.26x = 2,803,362,158.75
  5. Step 5: Solve for x
    x = 2,803,362,158.75/52,340.26
  6. Step 6: Final answer
    x = 53,560.34

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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.