Home / 48,683.20-73,019.40-39,902.80

Finding the Fourth Proportional to 48,683.20, 73,019.40 and 39,902.80

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Solution

The fourth proportional to 48,683.20, 73,019.40 and 39,902.80 is: 59,849.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,683.20 : 73,019.40 = 39,902.80 : x
  2. Step 2: Convert to fraction form
    48,683.20/73,019.40 = 39,902.80/x
  3. Step 3: Cross multiply
    48,683.20x = 73,019.40 × 39,902.80
  4. Step 4: Simplify right side
    48,683.20x = 2,913,678,514.32
  5. Step 5: Solve for x
    x = 2,913,678,514.32/48,683.20
  6. Step 6: Final answer
    x = 59,849.77

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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.