Home / 30,644.17-45,969.08-11,925.61

Finding the Fourth Proportional to 30,644.17, 45,969.08 and 11,925.61

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Solution

The fourth proportional to 30,644.17, 45,969.08 and 11,925.61 is: 17,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.17 : 45,969.08 = 11,925.61 : x
  2. Step 2: Convert to fraction form
    30,644.17/45,969.08 = 11,925.61/x
  3. Step 3: Cross multiply
    30,644.17x = 45,969.08 × 11,925.61
  4. Step 4: Simplify right side
    30,644.17x = 548,209,145.59
  5. Step 5: Solve for x
    x = 548,209,145.59/30,644.17
  6. Step 6: Final answer
    x = 17,889.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.