Home / 30,901.71-42,645.26-17,472.67

Finding the Fourth Proportional to 30,901.71, 42,645.26 and 17,472.67

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Solution

The fourth proportional to 30,901.71, 42,645.26 and 17,472.67 is: 24,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.71 : 42,645.26 = 17,472.67 : x
  2. Step 2: Convert to fraction form
    30,901.71/42,645.26 = 17,472.67/x
  3. Step 3: Cross multiply
    30,901.71x = 42,645.26 × 17,472.67
  4. Step 4: Simplify right side
    30,901.71x = 745,126,562.91
  5. Step 5: Solve for x
    x = 745,126,562.91/30,901.71
  6. Step 6: Final answer
    x = 24,112.79

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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.