Home / 30,152.12-41,609.66-16,723.40

Finding the Fourth Proportional to 30,152.12, 41,609.66 and 16,723.40

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Solution

The fourth proportional to 30,152.12, 41,609.66 and 16,723.40 is: 23,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.12 : 41,609.66 = 16,723.40 : x
  2. Step 2: Convert to fraction form
    30,152.12/41,609.66 = 16,723.40/x
  3. Step 3: Cross multiply
    30,152.12x = 41,609.66 × 16,723.40
  4. Step 4: Simplify right side
    30,152.12x = 695,855,008.45
  5. Step 5: Solve for x
    x = 695,855,008.45/30,152.12
  6. Step 6: Final answer
    x = 23,078.14

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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.