Home / 34,173.24-47,143.64-20,020.10

Finding the Fourth Proportional to 34,173.24, 47,143.64 and 20,020.10

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Solution

The fourth proportional to 34,173.24, 47,143.64 and 20,020.10 is: 27,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.24 : 47,143.64 = 20,020.10 : x
  2. Step 2: Convert to fraction form
    34,173.24/47,143.64 = 20,020.10/x
  3. Step 3: Cross multiply
    34,173.24x = 47,143.64 × 20,020.10
  4. Step 4: Simplify right side
    34,173.24x = 943,820,387.16
  5. Step 5: Solve for x
    x = 943,820,387.16/34,173.24
  6. Step 6: Final answer
    x = 27,618.70

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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.