Home / 30,158.88-41,619.36-16,730.40

Finding the Fourth Proportional to 30,158.88, 41,619.36 and 16,730.40

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Solution

The fourth proportional to 30,158.88, 41,619.36 and 16,730.40 is: 23,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.88 : 41,619.36 = 16,730.40 : x
  2. Step 2: Convert to fraction form
    30,158.88/41,619.36 = 16,730.40/x
  3. Step 3: Cross multiply
    30,158.88x = 41,619.36 × 16,730.40
  4. Step 4: Simplify right side
    30,158.88x = 696,308,540.54
  5. Step 5: Solve for x
    x = 696,308,540.54/30,158.88
  6. Step 6: Final answer
    x = 23,088.01

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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.