Home / 42,867.92-64,301.88-17,894.34

Finding the Fourth Proportional to 42,867.92, 64,301.88 and 17,894.34

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Solution

The fourth proportional to 42,867.92, 64,301.88 and 17,894.34 is: 26,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.92 : 64,301.88 = 17,894.34 : x
  2. Step 2: Convert to fraction form
    42,867.92/64,301.88 = 17,894.34/x
  3. Step 3: Cross multiply
    42,867.92x = 64,301.88 × 17,894.34
  4. Step 4: Simplify right side
    42,867.92x = 1,150,639,703.36
  5. Step 5: Solve for x
    x = 1,150,639,703.36/42,867.92
  6. Step 6: Final answer
    x = 26,841.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.