Home / 45,723.72-63,103.24-28,740.76

Finding the Fourth Proportional to 45,723.72, 63,103.24 and 28,740.76

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Solution

The fourth proportional to 45,723.72, 63,103.24 and 28,740.76 is: 39,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,723.72 : 63,103.24 = 28,740.76 : x
  2. Step 2: Convert to fraction form
    45,723.72/63,103.24 = 28,740.76/x
  3. Step 3: Cross multiply
    45,723.72x = 63,103.24 × 28,740.76
  4. Step 4: Simplify right side
    45,723.72x = 1,813,635,076.06
  5. Step 5: Solve for x
    x = 1,813,635,076.06/45,723.72
  6. Step 6: Final answer
    x = 39,665.08

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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.