Home / 52,977.38-73,115.26-30,621.38

Finding the Fourth Proportional to 52,977.38, 73,115.26 and 30,621.38

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Solution

The fourth proportional to 52,977.38, 73,115.26 and 30,621.38 is: 42,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,977.38 : 73,115.26 = 30,621.38 : x
  2. Step 2: Convert to fraction form
    52,977.38/73,115.26 = 30,621.38/x
  3. Step 3: Cross multiply
    52,977.38x = 73,115.26 × 30,621.38
  4. Step 4: Simplify right side
    52,977.38x = 2,238,889,718.13
  5. Step 5: Solve for x
    x = 2,238,889,718.13/52,977.38
  6. Step 6: Final answer
    x = 42,261.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.