Home / 31,411.85-43,350.39-19,483.11

Finding the Fourth Proportional to 31,411.85, 43,350.39 and 19,483.11

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Solution

The fourth proportional to 31,411.85, 43,350.39 and 19,483.11 is: 26,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.85 : 43,350.39 = 19,483.11 : x
  2. Step 2: Convert to fraction form
    31,411.85/43,350.39 = 19,483.11/x
  3. Step 3: Cross multiply
    31,411.85x = 43,350.39 × 19,483.11
  4. Step 4: Simplify right side
    31,411.85x = 844,600,416.91
  5. Step 5: Solve for x
    x = 844,600,416.91/31,411.85
  6. Step 6: Final answer
    x = 26,887.96

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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.