Home / 52,439.52-78,661.02-17,378.12

Finding the Fourth Proportional to 52,439.52, 78,661.02 and 17,378.12

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Solution

The fourth proportional to 52,439.52, 78,661.02 and 17,378.12 is: 26,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.52 : 78,661.02 = 17,378.12 : x
  2. Step 2: Convert to fraction form
    52,439.52/78,661.02 = 17,378.12/x
  3. Step 3: Cross multiply
    52,439.52x = 78,661.02 × 17,378.12
  4. Step 4: Simplify right side
    52,439.52x = 1,366,980,644.88
  5. Step 5: Solve for x
    x = 1,366,980,644.88/52,439.52
  6. Step 6: Final answer
    x = 26,067.76

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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.