Home / 31,927.29-47,890.84-14,376.57

Finding the Fourth Proportional to 31,927.29, 47,890.84 and 14,376.57

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Solution

The fourth proportional to 31,927.29, 47,890.84 and 14,376.57 is: 21,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.29 : 47,890.84 = 14,376.57 : x
  2. Step 2: Convert to fraction form
    31,927.29/47,890.84 = 14,376.57/x
  3. Step 3: Cross multiply
    31,927.29x = 47,890.84 × 14,376.57
  4. Step 4: Simplify right side
    31,927.29x = 688,506,013.62
  5. Step 5: Solve for x
    x = 688,506,013.62/31,927.29
  6. Step 6: Final answer
    x = 21,564.81

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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.