Home / 31,975.61-44,108.25-20,018.18

Finding the Fourth Proportional to 31,975.61, 44,108.25 and 20,018.18

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Solution

The fourth proportional to 31,975.61, 44,108.25 and 20,018.18 is: 27,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,975.61 : 44,108.25 = 20,018.18 : x
  2. Step 2: Convert to fraction form
    31,975.61/44,108.25 = 20,018.18/x
  3. Step 3: Cross multiply
    31,975.61x = 44,108.25 × 20,018.18
  4. Step 4: Simplify right side
    31,975.61x = 882,966,887.99
  5. Step 5: Solve for x
    x = 882,966,887.99/31,975.61
  6. Step 6: Final answer
    x = 27,613.76

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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.