Home / 39,981.64-60,009.04-20,273.80

Finding the Fourth Proportional to 39,981.64, 60,009.04 and 20,273.80

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Solution

The fourth proportional to 39,981.64, 60,009.04 and 20,273.80 is: 30,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.64 : 60,009.04 = 20,273.80 : x
  2. Step 2: Convert to fraction form
    39,981.64/60,009.04 = 20,273.80/x
  3. Step 3: Cross multiply
    39,981.64x = 60,009.04 × 20,273.80
  4. Step 4: Simplify right side
    39,981.64x = 1,216,611,275.15
  5. Step 5: Solve for x
    x = 1,216,611,275.15/39,981.64
  6. Step 6: Final answer
    x = 30,429.25

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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.