Home / 20,047.11-30,070.53-15,668.25

Finding the Fourth Proportional to 20,047.11, 30,070.53 and 15,668.25

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Solution

The fourth proportional to 20,047.11, 30,070.53 and 15,668.25 is: 23,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.11 : 30,070.53 = 15,668.25 : x
  2. Step 2: Convert to fraction form
    20,047.11/30,070.53 = 15,668.25/x
  3. Step 3: Cross multiply
    20,047.11x = 30,070.53 × 15,668.25
  4. Step 4: Simplify right side
    20,047.11x = 471,152,581.67
  5. Step 5: Solve for x
    x = 471,152,581.67/20,047.11
  6. Step 6: Final answer
    x = 23,502.27

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1.5x scale

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.