Home / 48,155.68-72,246.81-20,088.93

Finding the Fourth Proportional to 48,155.68, 72,246.81 and 20,088.93

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Solution

The fourth proportional to 48,155.68, 72,246.81 and 20,088.93 is: 30,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,155.68 : 72,246.81 = 20,088.93 : x
  2. Step 2: Convert to fraction form
    48,155.68/72,246.81 = 20,088.93/x
  3. Step 3: Cross multiply
    48,155.68x = 72,246.81 × 20,088.93
  4. Step 4: Simplify right side
    48,155.68x = 1,451,361,108.81
  5. Step 5: Solve for x
    x = 1,451,361,108.81/48,155.68
  6. Step 6: Final answer
    x = 30,138.94

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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.