Home / 31,578.81-47,382.80-14,060.13

Finding the Fourth Proportional to 31,578.81, 47,382.80 and 14,060.13

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Solution

The fourth proportional to 31,578.81, 47,382.80 and 14,060.13 is: 21,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.81 : 47,382.80 = 14,060.13 : x
  2. Step 2: Convert to fraction form
    31,578.81/47,382.80 = 14,060.13/x
  3. Step 3: Cross multiply
    31,578.81x = 47,382.80 × 14,060.13
  4. Step 4: Simplify right side
    31,578.81x = 666,208,257.46
  5. Step 5: Solve for x
    x = 666,208,257.46/31,578.81
  6. Step 6: Final answer
    x = 21,096.69

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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.