Home / 34,721.16-47,924.82-20,581.80

Finding the Fourth Proportional to 34,721.16, 47,924.82 and 20,581.80

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Solution

The fourth proportional to 34,721.16, 47,924.82 and 20,581.80 is: 28,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.16 : 47,924.82 = 20,581.80 : x
  2. Step 2: Convert to fraction form
    34,721.16/47,924.82 = 20,581.80/x
  3. Step 3: Cross multiply
    34,721.16x = 47,924.82 × 20,581.80
  4. Step 4: Simplify right side
    34,721.16x = 986,379,060.28
  5. Step 5: Solve for x
    x = 986,379,060.28/34,721.16
  6. Step 6: Final answer
    x = 28,408.59

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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.