Home / 48,389.60-72,565.66-18,803.56

Finding the Fourth Proportional to 48,389.60, 72,565.66 and 18,803.56

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Solution

The fourth proportional to 48,389.60, 72,565.66 and 18,803.56 is: 28,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389.60 : 72,565.66 = 18,803.56 : x
  2. Step 2: Convert to fraction form
    48,389.60/72,565.66 = 18,803.56/x
  3. Step 3: Cross multiply
    48,389.60x = 72,565.66 × 18,803.56
  4. Step 4: Simplify right side
    48,389.60x = 1,364,492,741.75
  5. Step 5: Solve for x
    x = 1,364,492,741.75/48,389.60
  6. Step 6: Final answer
    x = 28,198.06

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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.