Home / 30,341.12-41,868.16-17,765.76

Finding the Fourth Proportional to 30,341.12, 41,868.16 and 17,765.76

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Solution

The fourth proportional to 30,341.12, 41,868.16 and 17,765.76 is: 24,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.12 : 41,868.16 = 17,765.76 : x
  2. Step 2: Convert to fraction form
    30,341.12/41,868.16 = 17,765.76/x
  3. Step 3: Cross multiply
    30,341.12x = 41,868.16 × 17,765.76
  4. Step 4: Simplify right side
    30,341.12x = 743,819,682.20
  5. Step 5: Solve for x
    x = 743,819,682.20/30,341.12
  6. Step 6: Final answer
    x = 24,515.23

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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.