Home / 31,408.17-43,345.68-17,983.62

Finding the Fourth Proportional to 31,408.17, 43,345.68 and 17,983.62

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Solution

The fourth proportional to 31,408.17, 43,345.68 and 17,983.62 is: 24,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.17 : 43,345.68 = 17,983.62 : x
  2. Step 2: Convert to fraction form
    31,408.17/43,345.68 = 17,983.62/x
  3. Step 3: Cross multiply
    31,408.17x = 43,345.68 × 17,983.62
  4. Step 4: Simplify right side
    31,408.17x = 779,512,237.76
  5. Step 5: Solve for x
    x = 779,512,237.76/31,408.17
  6. Step 6: Final answer
    x = 24,818.77

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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.