Home / 40,043.36-60,064.68-28,148.06

Finding the Fourth Proportional to 40,043.36, 60,064.68 and 28,148.06

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Solution

The fourth proportional to 40,043.36, 60,064.68 and 28,148.06 is: 42,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.36 : 60,064.68 = 28,148.06 : x
  2. Step 2: Convert to fraction form
    40,043.36/60,064.68 = 28,148.06/x
  3. Step 3: Cross multiply
    40,043.36x = 60,064.68 × 28,148.06
  4. Step 4: Simplify right side
    40,043.36x = 1,690,704,216.52
  5. Step 5: Solve for x
    x = 1,690,704,216.52/40,043.36
  6. Step 6: Final answer
    x = 42,221.84

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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.