Home / 34,215.16-47,212.14-19,105.72

Finding the Fourth Proportional to 34,215.16, 47,212.14 and 19,105.72

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Solution

The fourth proportional to 34,215.16, 47,212.14 and 19,105.72 is: 26,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215.16 : 47,212.14 = 19,105.72 : x
  2. Step 2: Convert to fraction form
    34,215.16/47,212.14 = 19,105.72/x
  3. Step 3: Cross multiply
    34,215.16x = 47,212.14 × 19,105.72
  4. Step 4: Simplify right side
    34,215.16x = 902,021,927.44
  5. Step 5: Solve for x
    x = 902,021,927.44/34,215.16
  6. Step 6: Final answer
    x = 26,363.22

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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.