Home / 34,168.84-47,151.93-20,031.10

Finding the Fourth Proportional to 34,168.84, 47,151.93 and 20,031.10

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Solution

The fourth proportional to 34,168.84, 47,151.93 and 20,031.10 is: 27,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.84 : 47,151.93 = 20,031.10 : x
  2. Step 2: Convert to fraction form
    34,168.84/47,151.93 = 20,031.10/x
  3. Step 3: Cross multiply
    34,168.84x = 47,151.93 × 20,031.10
  4. Step 4: Simplify right side
    34,168.84x = 944,505,025.02
  5. Step 5: Solve for x
    x = 944,505,025.02/34,168.84
  6. Step 6: Final answer
    x = 27,642.29

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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.