Home / 34,543.34-47,669.28-20,206.34

Finding the Fourth Proportional to 34,543.34, 47,669.28 and 20,206.34

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Solution

The fourth proportional to 34,543.34, 47,669.28 and 20,206.34 is: 27,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.34 : 47,669.28 = 20,206.34 : x
  2. Step 2: Convert to fraction form
    34,543.34/47,669.28 = 20,206.34/x
  3. Step 3: Cross multiply
    34,543.34x = 47,669.28 × 20,206.34
  4. Step 4: Simplify right side
    34,543.34x = 963,221,679.24
  5. Step 5: Solve for x
    x = 963,221,679.24/34,543.34
  6. Step 6: Final answer
    x = 27,884.44

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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.