Home / 34,347.57-47,422.77-21,446.49

Finding the Fourth Proportional to 34,347.57, 47,422.77 and 21,446.49

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Solution

The fourth proportional to 34,347.57, 47,422.77 and 21,446.49 is: 29,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,347.57 : 47,422.77 = 21,446.49 : x
  2. Step 2: Convert to fraction form
    34,347.57/47,422.77 = 21,446.49/x
  3. Step 3: Cross multiply
    34,347.57x = 47,422.77 × 21,446.49
  4. Step 4: Simplify right side
    34,347.57x = 1,017,051,865.17
  5. Step 5: Solve for x
    x = 1,017,051,865.17/34,347.57
  6. Step 6: Final answer
    x = 29,610.59

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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.