Home / 45,248.48-67,856.96-18,586.88

Finding the Fourth Proportional to 45,248.48, 67,856.96 and 18,586.88

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Solution

The fourth proportional to 45,248.48, 67,856.96 and 18,586.88 is: 27,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.48 : 67,856.96 = 18,586.88 : x
  2. Step 2: Convert to fraction form
    45,248.48/67,856.96 = 18,586.88/x
  3. Step 3: Cross multiply
    45,248.48x = 67,856.96 × 18,586.88
  4. Step 4: Simplify right side
    45,248.48x = 1,261,249,172.68
  5. Step 5: Solve for x
    x = 1,261,249,172.68/45,248.48
  6. Step 6: Final answer
    x = 27,873.85

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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.