Home / 43,948.18-65,926.16-12,358.51

Finding the Fourth Proportional to 43,948.18, 65,926.16 and 12,358.51

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Solution

The fourth proportional to 43,948.18, 65,926.16 and 12,358.51 is: 18,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,948.18 : 65,926.16 = 12,358.51 : x
  2. Step 2: Convert to fraction form
    43,948.18/65,926.16 = 12,358.51/x
  3. Step 3: Cross multiply
    43,948.18x = 65,926.16 × 12,358.51
  4. Step 4: Simplify right side
    43,948.18x = 814,749,045.83
  5. Step 5: Solve for x
    x = 814,749,045.83/43,948.18
  6. Step 6: Final answer
    x = 18,538.86

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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.