Home / 52,077.95-78,120.97-17,021.15

Finding the Fourth Proportional to 52,077.95, 78,120.97 and 17,021.15

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Solution

The fourth proportional to 52,077.95, 78,120.97 and 17,021.15 is: 25,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.95 : 78,120.97 = 17,021.15 : x
  2. Step 2: Convert to fraction form
    52,077.95/78,120.97 = 17,021.15/x
  3. Step 3: Cross multiply
    52,077.95x = 78,120.97 × 17,021.15
  4. Step 4: Simplify right side
    52,077.95x = 1,329,708,704.06
  5. Step 5: Solve for x
    x = 1,329,708,704.06/52,077.95
  6. Step 6: Final answer
    x = 25,533.05

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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.