Home / 30,020.16-41,428.08-16,591.20

Finding the Fourth Proportional to 30,020.16, 41,428.08 and 16,591.20

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Solution

The fourth proportional to 30,020.16, 41,428.08 and 16,591.20 is: 22,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.16 : 41,428.08 = 16,591.20 : x
  2. Step 2: Convert to fraction form
    30,020.16/41,428.08 = 16,591.20/x
  3. Step 3: Cross multiply
    30,020.16x = 41,428.08 × 16,591.20
  4. Step 4: Simplify right side
    30,020.16x = 687,341,560.90
  5. Step 5: Solve for x
    x = 687,341,560.90/30,020.16
  6. Step 6: Final answer
    x = 22,896.00

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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.