Home / 47,411.19-65,417.78-30,190.48

Finding the Fourth Proportional to 47,411.19, 65,417.78 and 30,190.48

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Solution

The fourth proportional to 47,411.19, 65,417.78 and 30,190.48 is: 41,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,411.19 : 65,417.78 = 30,190.48 : x
  2. Step 2: Convert to fraction form
    47,411.19/65,417.78 = 30,190.48/x
  3. Step 3: Cross multiply
    47,411.19x = 65,417.78 × 30,190.48
  4. Step 4: Simplify right side
    47,411.19x = 1,974,994,178.73
  5. Step 5: Solve for x
    x = 1,974,994,178.73/47,411.19
  6. Step 6: Final answer
    x = 41,656.71

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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.