Home / 30,008.16-41,411.34-16,579.80

Finding the Fourth Proportional to 30,008.16, 41,411.34 and 16,579.80

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Solution

The fourth proportional to 30,008.16, 41,411.34 and 16,579.80 is: 22,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.16 : 41,411.34 = 16,579.80 : x
  2. Step 2: Convert to fraction form
    30,008.16/41,411.34 = 16,579.80/x
  3. Step 3: Cross multiply
    30,008.16x = 41,411.34 × 16,579.80
  4. Step 4: Simplify right side
    30,008.16x = 686,591,734.93
  5. Step 5: Solve for x
    x = 686,591,734.93/30,008.16
  6. Step 6: Final answer
    x = 22,880.17

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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.