Home / 34,541.82-47,666.67-20,937.91

Finding the Fourth Proportional to 34,541.82, 47,666.67 and 20,937.91

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Solution

The fourth proportional to 34,541.82, 47,666.67 and 20,937.91 is: 28,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,541.82 : 47,666.67 = 20,937.91 : x
  2. Step 2: Convert to fraction form
    34,541.82/47,666.67 = 20,937.91/x
  3. Step 3: Cross multiply
    34,541.82x = 47,666.67 × 20,937.91
  4. Step 4: Simplify right side
    34,541.82x = 998,040,446.46
  5. Step 5: Solve for x
    x = 998,040,446.46/34,541.82
  6. Step 6: Final answer
    x = 28,893.68

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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.