Home / 30,120.04-41,566.01-16,691.52

Finding the Fourth Proportional to 30,120.04, 41,566.01 and 16,691.52

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Solution

The fourth proportional to 30,120.04, 41,566.01 and 16,691.52 is: 23,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.04 : 41,566.01 = 16,691.52 : x
  2. Step 2: Convert to fraction form
    30,120.04/41,566.01 = 16,691.52/x
  3. Step 3: Cross multiply
    30,120.04x = 41,566.01 × 16,691.52
  4. Step 4: Simplify right side
    30,120.04x = 693,799,887.24
  5. Step 5: Solve for x
    x = 693,799,887.24/30,120.04
  6. Step 6: Final answer
    x = 23,034.49

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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.