Home / 31,340.94-47,009.15-14,704.76

Finding the Fourth Proportional to 31,340.94, 47,009.15 and 14,704.76

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Solution

The fourth proportional to 31,340.94, 47,009.15 and 14,704.76 is: 22,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.94 : 47,009.15 = 14,704.76 : x
  2. Step 2: Convert to fraction form
    31,340.94/47,009.15 = 14,704.76/x
  3. Step 3: Cross multiply
    31,340.94x = 47,009.15 × 14,704.76
  4. Step 4: Simplify right side
    31,340.94x = 691,257,959.98
  5. Step 5: Solve for x
    x = 691,257,959.98/31,340.94
  6. Step 6: Final answer
    x = 22,056.07

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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.