Home / 31,877.76-47,772.80-16,262.56

Finding the Fourth Proportional to 31,877.76, 47,772.80 and 16,262.56

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Solution

The fourth proportional to 31,877.76, 47,772.80 and 16,262.56 is: 24,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.76 : 47,772.80 = 16,262.56 : x
  2. Step 2: Convert to fraction form
    31,877.76/47,772.80 = 16,262.56/x
  3. Step 3: Cross multiply
    31,877.76x = 47,772.80 × 16,262.56
  4. Step 4: Simplify right side
    31,877.76x = 776,908,026.37
  5. Step 5: Solve for x
    x = 776,908,026.37/31,877.76
  6. Step 6: Final answer
    x = 24,371.47

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1.5x scale

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.