Home / 31,844.64-47,769.99-13,125.93

Finding the Fourth Proportional to 31,844.64, 47,769.99 and 13,125.93

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Solution

The fourth proportional to 31,844.64, 47,769.99 and 13,125.93 is: 19,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.64 : 47,769.99 = 13,125.93 : x
  2. Step 2: Convert to fraction form
    31,844.64/47,769.99 = 13,125.93/x
  3. Step 3: Cross multiply
    31,844.64x = 47,769.99 × 13,125.93
  4. Step 4: Simplify right side
    31,844.64x = 627,025,544.84
  5. Step 5: Solve for x
    x = 627,025,544.84/31,844.64
  6. Step 6: Final answer
    x = 19,690.14

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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.