Home / 30,052.71-41,472.75-18,112.91

Finding the Fourth Proportional to 30,052.71, 41,472.75 and 18,112.91

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Solution

The fourth proportional to 30,052.71, 41,472.75 and 18,112.91 is: 24,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,052.71 : 41,472.75 = 18,112.91 : x
  2. Step 2: Convert to fraction form
    30,052.71/41,472.75 = 18,112.91/x
  3. Step 3: Cross multiply
    30,052.71x = 41,472.75 × 18,112.91
  4. Step 4: Simplify right side
    30,052.71x = 751,191,980.84
  5. Step 5: Solve for x
    x = 751,191,980.84/30,052.71
  6. Step 6: Final answer
    x = 24,995.82

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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.