Home / 34,286.88-47,307.02-21,542.06

Finding the Fourth Proportional to 34,286.88, 47,307.02 and 21,542.06

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Solution

The fourth proportional to 34,286.88, 47,307.02 and 21,542.06 is: 29,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,286.88 : 47,307.02 = 21,542.06 : x
  2. Step 2: Convert to fraction form
    34,286.88/47,307.02 = 21,542.06/x
  3. Step 3: Cross multiply
    34,286.88x = 47,307.02 × 21,542.06
  4. Step 4: Simplify right side
    34,286.88x = 1,019,090,663.26
  5. Step 5: Solve for x
    x = 1,019,090,663.26/34,286.88
  6. Step 6: Final answer
    x = 29,722.47

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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.