Home / 34,219.83-47,220.29-19,110.39

Finding the Fourth Proportional to 34,219.83, 47,220.29 and 19,110.39

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Solution

The fourth proportional to 34,219.83, 47,220.29 and 19,110.39 is: 26,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.83 : 47,220.29 = 19,110.39 : x
  2. Step 2: Convert to fraction form
    34,219.83/47,220.29 = 19,110.39/x
  3. Step 3: Cross multiply
    34,219.83x = 47,220.29 × 19,110.39
  4. Step 4: Simplify right side
    34,219.83x = 902,398,342.61
  5. Step 5: Solve for x
    x = 902,398,342.61/34,219.83
  6. Step 6: Final answer
    x = 26,370.63

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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.