Home / 40,020.21-60,113.25-31,758.39

Finding the Fourth Proportional to 40,020.21, 60,113.25 and 31,758.39

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Solution

The fourth proportional to 40,020.21, 60,113.25 and 31,758.39 is: 47,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.21 : 60,113.25 = 31,758.39 : x
  2. Step 2: Convert to fraction form
    40,020.21/60,113.25 = 31,758.39/x
  3. Step 3: Cross multiply
    40,020.21x = 60,113.25 × 31,758.39
  4. Step 4: Simplify right side
    40,020.21x = 1,909,100,037.67
  5. Step 5: Solve for x
    x = 1,909,100,037.67/40,020.21
  6. Step 6: Final answer
    x = 47,703.40

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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.