Home / 30,864.80-42,593.42-16,717.64

Finding the Fourth Proportional to 30,864.80, 42,593.42 and 16,717.64

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Solution

The fourth proportional to 30,864.80, 42,593.42 and 16,717.64 is: 23,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.80 : 42,593.42 = 16,717.64 : x
  2. Step 2: Convert to fraction form
    30,864.80/42,593.42 = 16,717.64/x
  3. Step 3: Cross multiply
    30,864.80x = 42,593.42 × 16,717.64
  4. Step 4: Simplify right side
    30,864.80x = 712,061,483.33
  5. Step 5: Solve for x
    x = 712,061,483.33/30,864.80
  6. Step 6: Final answer
    x = 23,070.34

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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.