Home / 48,383.66-72,580.08-18,803.78

Finding the Fourth Proportional to 48,383.66, 72,580.08 and 18,803.78

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Solution

The fourth proportional to 48,383.66, 72,580.08 and 18,803.78 is: 28,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.66 : 72,580.08 = 18,803.78 : x
  2. Step 2: Convert to fraction form
    48,383.66/72,580.08 = 18,803.78/x
  3. Step 3: Cross multiply
    48,383.66x = 72,580.08 × 18,803.78
  4. Step 4: Simplify right side
    48,383.66x = 1,364,779,856.70
  5. Step 5: Solve for x
    x = 1,364,779,856.70/48,383.66
  6. Step 6: Final answer
    x = 28,207.45

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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.