Home / 47,942.28-66,160.40-27,803.05

Finding the Fourth Proportional to 47,942.28, 66,160.40 and 27,803.05

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Solution

The fourth proportional to 47,942.28, 66,160.40 and 27,803.05 is: 38,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.28 : 66,160.40 = 27,803.05 : x
  2. Step 2: Convert to fraction form
    47,942.28/66,160.40 = 27,803.05/x
  3. Step 3: Cross multiply
    47,942.28x = 66,160.40 × 27,803.05
  4. Step 4: Simplify right side
    47,942.28x = 1,839,460,604.80
  5. Step 5: Solve for x
    x = 1,839,460,604.80/47,942.28
  6. Step 6: Final answer
    x = 38,368.23

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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.