Home / 47,846.44-66,031.14-28,988.20

Finding the Fourth Proportional to 47,846.44, 66,031.14 and 28,988.20

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Solution

The fourth proportional to 47,846.44, 66,031.14 and 28,988.20 is: 40,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.44 : 66,031.14 = 28,988.20 : x
  2. Step 2: Convert to fraction form
    47,846.44/66,031.14 = 28,988.20/x
  3. Step 3: Cross multiply
    47,846.44x = 66,031.14 × 28,988.20
  4. Step 4: Simplify right side
    47,846.44x = 1,914,123,892.55
  5. Step 5: Solve for x
    x = 1,914,123,892.55/47,846.44
  6. Step 6: Final answer
    x = 40,005.57

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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.