Home / 31,376.49-47,061.27-9,190.08

Finding the Fourth Proportional to 31,376.49, 47,061.27 and 9,190.08

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Solution

The fourth proportional to 31,376.49, 47,061.27 and 9,190.08 is: 13,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.49 : 47,061.27 = 9,190.08 : x
  2. Step 2: Convert to fraction form
    31,376.49/47,061.27 = 9,190.08/x
  3. Step 3: Cross multiply
    31,376.49x = 47,061.27 × 9,190.08
  4. Step 4: Simplify right side
    31,376.49x = 432,496,836.20
  5. Step 5: Solve for x
    x = 432,496,836.20/31,376.49
  6. Step 6: Final answer
    x = 13,784.11

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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.