Home / 46,719.57-70,091.19-13,438.92

Finding the Fourth Proportional to 46,719.57, 70,091.19 and 13,438.92

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Solution

The fourth proportional to 46,719.57, 70,091.19 and 13,438.92 is: 20,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,719.57 : 70,091.19 = 13,438.92 : x
  2. Step 2: Convert to fraction form
    46,719.57/70,091.19 = 13,438.92/x
  3. Step 3: Cross multiply
    46,719.57x = 70,091.19 × 13,438.92
  4. Step 4: Simplify right side
    46,719.57x = 941,949,895.11
  5. Step 5: Solve for x
    x = 941,949,895.11/46,719.57
  6. Step 6: Final answer
    x = 20,161.78

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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.