Home / 30,259.24-41,757.15-16,830.21

Finding the Fourth Proportional to 30,259.24, 41,757.15 and 16,830.21

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Solution

The fourth proportional to 30,259.24, 41,757.15 and 16,830.21 is: 23,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.24 : 41,757.15 = 16,830.21 : x
  2. Step 2: Convert to fraction form
    30,259.24/41,757.15 = 16,830.21/x
  3. Step 3: Cross multiply
    30,259.24x = 41,757.15 × 16,830.21
  4. Step 4: Simplify right side
    30,259.24x = 702,781,510.03
  5. Step 5: Solve for x
    x = 702,781,510.03/30,259.24
  6. Step 6: Final answer
    x = 23,225.35

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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.