Home / 34,178.36-47,166.17-20,031.21

Finding the Fourth Proportional to 34,178.36, 47,166.17 and 20,031.21

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Solution

The fourth proportional to 34,178.36, 47,166.17 and 20,031.21 is: 27,643.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,178.36 : 47,166.17 = 20,031.21 : x
  2. Step 2: Convert to fraction form
    34,178.36/47,166.17 = 20,031.21/x
  3. Step 3: Cross multiply
    34,178.36x = 47,166.17 × 20,031.21
  4. Step 4: Simplify right side
    34,178.36x = 944,795,356.01
  5. Step 5: Solve for x
    x = 944,795,356.01/34,178.36
  6. Step 6: Final answer
    x = 27,643.09

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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.