Home / 31,377.30-47,065.95-14,748.81

Finding the Fourth Proportional to 31,377.30, 47,065.95 and 14,748.81

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Solution

The fourth proportional to 31,377.30, 47,065.95 and 14,748.81 is: 22,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,377.30 : 47,065.95 = 14,748.81 : x
  2. Step 2: Convert to fraction form
    31,377.30/47,065.95 = 14,748.81/x
  3. Step 3: Cross multiply
    31,377.30x = 47,065.95 × 14,748.81
  4. Step 4: Simplify right side
    31,377.30x = 694,166,754.02
  5. Step 5: Solve for x
    x = 694,166,754.02/31,377.30
  6. Step 6: Final answer
    x = 22,123.22

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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.