Home / 30,411.24-41,966.18-16,984.04

Finding the Fourth Proportional to 30,411.24, 41,966.18 and 16,984.04

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Solution

The fourth proportional to 30,411.24, 41,966.18 and 16,984.04 is: 23,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.24 : 41,966.18 = 16,984.04 : x
  2. Step 2: Convert to fraction form
    30,411.24/41,966.18 = 16,984.04/x
  3. Step 3: Cross multiply
    30,411.24x = 41,966.18 × 16,984.04
  4. Step 4: Simplify right side
    30,411.24x = 712,755,279.77
  5. Step 5: Solve for x
    x = 712,755,279.77/30,411.24
  6. Step 6: Final answer
    x = 23,437.23

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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.