Home / 34,179.30-47,166.28-20,031.84

Finding the Fourth Proportional to 34,179.30, 47,166.28 and 20,031.84

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Solution

The fourth proportional to 34,179.30, 47,166.28 and 20,031.84 is: 27,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.30 : 47,166.28 = 20,031.84 : x
  2. Step 2: Convert to fraction form
    34,179.30/47,166.28 = 20,031.84/x
  3. Step 3: Cross multiply
    34,179.30x = 47,166.28 × 20,031.84
  4. Step 4: Simplify right side
    34,179.30x = 944,827,374.36
  5. Step 5: Solve for x
    x = 944,827,374.36/34,179.30
  6. Step 6: Final answer
    x = 27,643.26

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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.