Home / 30,443.22-45,669.38-9,381.51

Finding the Fourth Proportional to 30,443.22, 45,669.38 and 9,381.51

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Solution

The fourth proportional to 30,443.22, 45,669.38 and 9,381.51 is: 14,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.22 : 45,669.38 = 9,381.51 : x
  2. Step 2: Convert to fraction form
    30,443.22/45,669.38 = 9,381.51/x
  3. Step 3: Cross multiply
    30,443.22x = 45,669.38 × 9,381.51
  4. Step 4: Simplify right side
    30,443.22x = 428,447,698.26
  5. Step 5: Solve for x
    x = 428,447,698.26/30,443.22
  6. Step 6: Final answer
    x = 14,073.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.