Home / 30,377.40-41,947.17-19,066.50

Finding the Fourth Proportional to 30,377.40, 41,947.17 and 19,066.50

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Solution

The fourth proportional to 30,377.40, 41,947.17 and 19,066.50 is: 26,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.40 : 41,947.17 = 19,066.50 : x
  2. Step 2: Convert to fraction form
    30,377.40/41,947.17 = 19,066.50/x
  3. Step 3: Cross multiply
    30,377.40x = 41,947.17 × 19,066.50
  4. Step 4: Simplify right side
    30,377.40x = 799,785,716.81
  5. Step 5: Solve for x
    x = 799,785,716.81/30,377.40
  6. Step 6: Final answer
    x = 26,328.31

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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.