Home / 31,642.44-47,456.64-14,101.08

Finding the Fourth Proportional to 31,642.44, 47,456.64 and 14,101.08

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Solution

The fourth proportional to 31,642.44, 47,456.64 and 14,101.08 is: 21,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642.44 : 47,456.64 = 14,101.08 : x
  2. Step 2: Convert to fraction form
    31,642.44/47,456.64 = 14,101.08/x
  3. Step 3: Cross multiply
    31,642.44x = 47,456.64 × 14,101.08
  4. Step 4: Simplify right side
    31,642.44x = 669,189,877.17
  5. Step 5: Solve for x
    x = 669,189,877.17/31,642.44
  6. Step 6: Final answer
    x = 21,148.49

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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.