Home / 34,245.77-47,259.22-19,138.43

Finding the Fourth Proportional to 34,245.77, 47,259.22 and 19,138.43

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Solution

The fourth proportional to 34,245.77, 47,259.22 and 19,138.43 is: 26,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.77 : 47,259.22 = 19,138.43 : x
  2. Step 2: Convert to fraction form
    34,245.77/47,259.22 = 19,138.43/x
  3. Step 3: Cross multiply
    34,245.77x = 47,259.22 × 19,138.43
  4. Step 4: Simplify right side
    34,245.77x = 904,467,273.82
  5. Step 5: Solve for x
    x = 904,467,273.82/34,245.77
  6. Step 6: Final answer
    x = 26,411.07

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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.