Home / 47,928.28-66,133.24-27,781.22

Finding the Fourth Proportional to 47,928.28, 66,133.24 and 27,781.22

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Solution

The fourth proportional to 47,928.28, 66,133.24 and 27,781.22 is: 38,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,928.28 : 66,133.24 = 27,781.22 : x
  2. Step 2: Convert to fraction form
    47,928.28/66,133.24 = 27,781.22/x
  3. Step 3: Cross multiply
    47,928.28x = 66,133.24 × 27,781.22
  4. Step 4: Simplify right side
    47,928.28x = 1,837,262,341.90
  5. Step 5: Solve for x
    x = 1,837,262,341.90/47,928.28
  6. Step 6: Final answer
    x = 38,333.58

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1.5x scale

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.