Home / 44,031.47-66,043.69-12,440.25

Finding the Fourth Proportional to 44,031.47, 66,043.69 and 12,440.25

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Solution

The fourth proportional to 44,031.47, 66,043.69 and 12,440.25 is: 18,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,031.47 : 66,043.69 = 12,440.25 : x
  2. Step 2: Convert to fraction form
    44,031.47/66,043.69 = 12,440.25/x
  3. Step 3: Cross multiply
    44,031.47x = 66,043.69 × 12,440.25
  4. Step 4: Simplify right side
    44,031.47x = 821,599,983.42
  5. Step 5: Solve for x
    x = 821,599,983.42/44,031.47
  6. Step 6: Final answer
    x = 18,659.38

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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.