Home / 31,376.25-47,060.93-9,189.84

Finding the Fourth Proportional to 31,376.25, 47,060.93 and 9,189.84

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Solution

The fourth proportional to 31,376.25, 47,060.93 and 9,189.84 is: 13,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.25 : 47,060.93 = 9,189.84 : x
  2. Step 2: Convert to fraction form
    31,376.25/47,060.93 = 9,189.84/x
  3. Step 3: Cross multiply
    31,376.25x = 47,060.93 × 9,189.84
  4. Step 4: Simplify right side
    31,376.25x = 432,482,371.00
  5. Step 5: Solve for x
    x = 432,482,371.00/31,376.25
  6. Step 6: Final answer
    x = 13,783.75

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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.