Home / 31,408.07-43,346.00-17,983.67

Finding the Fourth Proportional to 31,408.07, 43,346.00 and 17,983.67

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Solution

The fourth proportional to 31,408.07, 43,346.00 and 17,983.67 is: 24,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.07 : 43,346.00 = 17,983.67 : x
  2. Step 2: Convert to fraction form
    31,408.07/43,346.00 = 17,983.67/x
  3. Step 3: Cross multiply
    31,408.07x = 43,346.00 × 17,983.67
  4. Step 4: Simplify right side
    31,408.07x = 779,519,988.05
  5. Step 5: Solve for x
    x = 779,519,988.05/31,408.07
  6. Step 6: Final answer
    x = 24,819.10

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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.