Home / 31,231.45-43,095.37-19,137.34

Finding the Fourth Proportional to 31,231.45, 43,095.37 and 19,137.34

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Solution

The fourth proportional to 31,231.45, 43,095.37 and 19,137.34 is: 26,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.45 : 43,095.37 = 19,137.34 : x
  2. Step 2: Convert to fraction form
    31,231.45/43,095.37 = 19,137.34/x
  3. Step 3: Cross multiply
    31,231.45x = 43,095.37 × 19,137.34
  4. Step 4: Simplify right side
    31,231.45x = 824,730,748.12
  5. Step 5: Solve for x
    x = 824,730,748.12/31,231.45
  6. Step 6: Final answer
    x = 26,407.06

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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.