Home / 34,456.12-47,554.65-21,035.20

Finding the Fourth Proportional to 34,456.12, 47,554.65 and 21,035.20

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Solution

The fourth proportional to 34,456.12, 47,554.65 and 21,035.20 is: 29,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,456.12 : 47,554.65 = 21,035.20 : x
  2. Step 2: Convert to fraction form
    34,456.12/47,554.65 = 21,035.20/x
  3. Step 3: Cross multiply
    34,456.12x = 47,554.65 × 21,035.20
  4. Step 4: Simplify right side
    34,456.12x = 1,000,321,573.68
  5. Step 5: Solve for x
    x = 1,000,321,573.68/34,456.12
  6. Step 6: Final answer
    x = 29,031.75

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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.