Home / 47,727.62-65,869.28-30,515.58

Finding the Fourth Proportional to 47,727.62, 65,869.28 and 30,515.58

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Solution

The fourth proportional to 47,727.62, 65,869.28 and 30,515.58 is: 42,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727.62 : 65,869.28 = 30,515.58 : x
  2. Step 2: Convert to fraction form
    47,727.62/65,869.28 = 30,515.58/x
  3. Step 3: Cross multiply
    47,727.62x = 65,869.28 × 30,515.58
  4. Step 4: Simplify right side
    47,727.62x = 2,010,039,130.80
  5. Step 5: Solve for x
    x = 2,010,039,130.80/47,727.62
  6. Step 6: Final answer
    x = 42,114.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.