Home / 34,158.42-47,142.73-20,011.26

Finding the Fourth Proportional to 34,158.42, 47,142.73 and 20,011.26

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Solution

The fourth proportional to 34,158.42, 47,142.73 and 20,011.26 is: 27,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.42 : 47,142.73 = 20,011.26 : x
  2. Step 2: Convert to fraction form
    34,158.42/47,142.73 = 20,011.26/x
  3. Step 3: Cross multiply
    34,158.42x = 47,142.73 × 20,011.26
  4. Step 4: Simplify right side
    34,158.42x = 943,385,209.23
  5. Step 5: Solve for x
    x = 943,385,209.23/34,158.42
  6. Step 6: Final answer
    x = 27,617.94

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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.