Home / 45,949.20-63,416.76-28,054.56

Finding the Fourth Proportional to 45,949.20, 63,416.76 and 28,054.56

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Solution

The fourth proportional to 45,949.20, 63,416.76 and 28,054.56 is: 38,719.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,949.20 : 63,416.76 = 28,054.56 : x
  2. Step 2: Convert to fraction form
    45,949.20/63,416.76 = 28,054.56/x
  3. Step 3: Cross multiply
    45,949.20x = 63,416.76 × 28,054.56
  4. Step 4: Simplify right side
    45,949.20x = 1,779,129,298.43
  5. Step 5: Solve for x
    x = 1,779,129,298.43/45,949.20
  6. Step 6: Final answer
    x = 38,719.48

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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.