Home / 34,618.17-47,776.44-20,475.57

Finding the Fourth Proportional to 34,618.17, 47,776.44 and 20,475.57

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Solution

The fourth proportional to 34,618.17, 47,776.44 and 20,475.57 is: 28,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.17 : 47,776.44 = 20,475.57 : x
  2. Step 2: Convert to fraction form
    34,618.17/47,776.44 = 20,475.57/x
  3. Step 3: Cross multiply
    34,618.17x = 47,776.44 × 20,475.57
  4. Step 4: Simplify right side
    34,618.17x = 978,249,602.69
  5. Step 5: Solve for x
    x = 978,249,602.69/34,618.17
  6. Step 6: Final answer
    x = 28,258.27

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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.