Home / 48,426.15-72,753.39-28,486.79

Finding the Fourth Proportional to 48,426.15, 72,753.39 and 28,486.79

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Solution

The fourth proportional to 48,426.15, 72,753.39 and 28,486.79 is: 42,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.15 : 72,753.39 = 28,486.79 : x
  2. Step 2: Convert to fraction form
    48,426.15/72,753.39 = 28,486.79/x
  3. Step 3: Cross multiply
    48,426.15x = 72,753.39 × 28,486.79
  4. Step 4: Simplify right side
    48,426.15x = 2,072,510,451.78
  5. Step 5: Solve for x
    x = 2,072,510,451.78/48,426.15
  6. Step 6: Final answer
    x = 42,797.34

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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.