Home / 30,410.18-41,966.11-16,981.39

Finding the Fourth Proportional to 30,410.18, 41,966.11 and 16,981.39

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Solution

The fourth proportional to 30,410.18, 41,966.11 and 16,981.39 is: 23,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.18 : 41,966.11 = 16,981.39 : x
  2. Step 2: Convert to fraction form
    30,410.18/41,966.11 = 16,981.39/x
  3. Step 3: Cross multiply
    30,410.18x = 41,966.11 × 16,981.39
  4. Step 4: Simplify right side
    30,410.18x = 712,642,795.79
  5. Step 5: Solve for x
    x = 712,642,795.79/30,410.18
  6. Step 6: Final answer
    x = 23,434.35

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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.