Home / 31,563.64-47,330.88-11,828.08

Finding the Fourth Proportional to 31,563.64, 47,330.88 and 11,828.08

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Solution

The fourth proportional to 31,563.64, 47,330.88 and 11,828.08 is: 17,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.64 : 47,330.88 = 11,828.08 : x
  2. Step 2: Convert to fraction form
    31,563.64/47,330.88 = 11,828.08/x
  3. Step 3: Cross multiply
    31,563.64x = 47,330.88 × 11,828.08
  4. Step 4: Simplify right side
    31,563.64x = 559,833,435.11
  5. Step 5: Solve for x
    x = 559,833,435.11/31,563.64
  6. Step 6: Final answer
    x = 17,736.66

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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.