Home / 46,154.64-69,232.52-12,872.68

Finding the Fourth Proportional to 46,154.64, 69,232.52 and 12,872.68

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Solution

The fourth proportional to 46,154.64, 69,232.52 and 12,872.68 is: 19,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,154.64 : 69,232.52 = 12,872.68 : x
  2. Step 2: Convert to fraction form
    46,154.64/69,232.52 = 12,872.68/x
  3. Step 3: Cross multiply
    46,154.64x = 69,232.52 × 12,872.68
  4. Step 4: Simplify right side
    46,154.64x = 891,207,838.11
  5. Step 5: Solve for x
    x = 891,207,838.11/46,154.64
  6. Step 6: Final answer
    x = 19,309.17

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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.