Home / 47,005.88-64,868.11-25,785.19

Finding the Fourth Proportional to 47,005.88, 64,868.11 and 25,785.19

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Solution

The fourth proportional to 47,005.88, 64,868.11 and 25,785.19 is: 35,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.88 : 64,868.11 = 25,785.19 : x
  2. Step 2: Convert to fraction form
    47,005.88/64,868.11 = 25,785.19/x
  3. Step 3: Cross multiply
    47,005.88x = 64,868.11 × 25,785.19
  4. Step 4: Simplify right side
    47,005.88x = 1,672,636,639.00
  5. Step 5: Solve for x
    x = 1,672,636,639.00/47,005.88
  6. Step 6: Final answer
    x = 35,583.57

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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.