Home / 31,625.68-43,630.92-19,048.72

Finding the Fourth Proportional to 31,625.68, 43,630.92 and 19,048.72

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Solution

The fourth proportional to 31,625.68, 43,630.92 and 19,048.72 is: 26,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.68 : 43,630.92 = 19,048.72 : x
  2. Step 2: Convert to fraction form
    31,625.68/43,630.92 = 19,048.72/x
  3. Step 3: Cross multiply
    31,625.68x = 43,630.92 × 19,048.72
  4. Step 4: Simplify right side
    31,625.68x = 831,113,178.42
  5. Step 5: Solve for x
    x = 831,113,178.42/31,625.68
  6. Step 6: Final answer
    x = 26,279.69

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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.