Home / 39,981.04-60,073.62-30,212.44

Finding the Fourth Proportional to 39,981.04, 60,073.62 and 30,212.44

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Solution

The fourth proportional to 39,981.04, 60,073.62 and 30,212.44 is: 45,395.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.04 : 60,073.62 = 30,212.44 : x
  2. Step 2: Convert to fraction form
    39,981.04/60,073.62 = 30,212.44/x
  3. Step 3: Cross multiply
    39,981.04x = 60,073.62 × 30,212.44
  4. Step 4: Simplify right side
    39,981.04x = 1,814,970,639.83
  5. Step 5: Solve for x
    x = 1,814,970,639.83/39,981.04
  6. Step 6: Final answer
    x = 45,395.78

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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.