Home / 30,159.05-41,618.07-16,730.06

Finding the Fourth Proportional to 30,159.05, 41,618.07 and 16,730.06

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Solution

The fourth proportional to 30,159.05, 41,618.07 and 16,730.06 is: 23,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.05 : 41,618.07 = 16,730.06 : x
  2. Step 2: Convert to fraction form
    30,159.05/41,618.07 = 16,730.06/x
  3. Step 3: Cross multiply
    30,159.05x = 41,618.07 × 16,730.06
  4. Step 4: Simplify right side
    30,159.05x = 696,272,600.09
  5. Step 5: Solve for x
    x = 696,272,600.09/30,159.05
  6. Step 6: Final answer
    x = 23,086.69

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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.