Home / 43,443.32-65,170.14-15,357.58

Finding the Fourth Proportional to 43,443.32, 65,170.14 and 15,357.58

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Solution

The fourth proportional to 43,443.32, 65,170.14 and 15,357.58 is: 23,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,443.32 : 65,170.14 = 15,357.58 : x
  2. Step 2: Convert to fraction form
    43,443.32/65,170.14 = 15,357.58/x
  3. Step 3: Cross multiply
    43,443.32x = 65,170.14 × 15,357.58
  4. Step 4: Simplify right side
    43,443.32x = 1,000,855,638.66
  5. Step 5: Solve for x
    x = 1,000,855,638.66/43,443.32
  6. Step 6: Final answer
    x = 23,038.19

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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.