Home / 30,410.23-41,966.03-16,981.49

Finding the Fourth Proportional to 30,410.23, 41,966.03 and 16,981.49

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Solution

The fourth proportional to 30,410.23, 41,966.03 and 16,981.49 is: 23,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.23 : 41,966.03 = 16,981.49 : x
  2. Step 2: Convert to fraction form
    30,410.23/41,966.03 = 16,981.49/x
  3. Step 3: Cross multiply
    30,410.23x = 41,966.03 × 16,981.49
  4. Step 4: Simplify right side
    30,410.23x = 712,645,718.78
  5. Step 5: Solve for x
    x = 712,645,718.78/30,410.23
  6. Step 6: Final answer
    x = 23,434.41

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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.