Home / 30,119.99-41,565.93-16,691.47

Finding the Fourth Proportional to 30,119.99, 41,565.93 and 16,691.47

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Solution

The fourth proportional to 30,119.99, 41,565.93 and 16,691.47 is: 23,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.99 : 41,565.93 = 16,691.47 : x
  2. Step 2: Convert to fraction form
    30,119.99/41,565.93 = 16,691.47/x
  3. Step 3: Cross multiply
    30,119.99x = 41,565.93 × 16,691.47
  4. Step 4: Simplify right side
    30,119.99x = 693,796,307.11
  5. Step 5: Solve for x
    x = 693,796,307.11/30,119.99
  6. Step 6: Final answer
    x = 23,034.42

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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.