Home / 42,711.45-64,067.02-11,546.70

Finding the Fourth Proportional to 42,711.45, 64,067.02 and 11,546.70

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Solution

The fourth proportional to 42,711.45, 64,067.02 and 11,546.70 is: 17,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,711.45 : 64,067.02 = 11,546.70 : x
  2. Step 2: Convert to fraction form
    42,711.45/64,067.02 = 11,546.70/x
  3. Step 3: Cross multiply
    42,711.45x = 64,067.02 × 11,546.70
  4. Step 4: Simplify right side
    42,711.45x = 739,762,659.83
  5. Step 5: Solve for x
    x = 739,762,659.83/42,711.45
  6. Step 6: Final answer
    x = 17,320.01

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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.