Home / 34,829.21-48,063.85-19,721.70

Finding the Fourth Proportional to 34,829.21, 48,063.85 and 19,721.70

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Solution

The fourth proportional to 34,829.21, 48,063.85 and 19,721.70 is: 27,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,829.21 : 48,063.85 = 19,721.70 : x
  2. Step 2: Convert to fraction form
    34,829.21/48,063.85 = 19,721.70/x
  3. Step 3: Cross multiply
    34,829.21x = 48,063.85 × 19,721.70
  4. Step 4: Simplify right side
    34,829.21x = 947,900,781.24
  5. Step 5: Solve for x
    x = 947,900,781.24/34,829.21
  6. Step 6: Final answer
    x = 27,215.68

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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.