Home / 52,463.09-72,399.07-28,589.76

Finding the Fourth Proportional to 52,463.09, 72,399.07 and 28,589.76

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Solution

The fourth proportional to 52,463.09, 72,399.07 and 28,589.76 is: 39,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,463.09 : 72,399.07 = 28,589.76 : x
  2. Step 2: Convert to fraction form
    52,463.09/72,399.07 = 28,589.76/x
  3. Step 3: Cross multiply
    52,463.09x = 72,399.07 × 28,589.76
  4. Step 4: Simplify right side
    52,463.09x = 2,069,872,145.05
  5. Step 5: Solve for x
    x = 2,069,872,145.05/52,463.09
  6. Step 6: Final answer
    x = 39,453.88

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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.