Home / 31,588.92-47,367.53-10,521.55

Finding the Fourth Proportional to 31,588.92, 47,367.53 and 10,521.55

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Solution

The fourth proportional to 31,588.92, 47,367.53 and 10,521.55 is: 15,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.92 : 47,367.53 = 10,521.55 : x
  2. Step 2: Convert to fraction form
    31,588.92/47,367.53 = 10,521.55/x
  3. Step 3: Cross multiply
    31,588.92x = 47,367.53 × 10,521.55
  4. Step 4: Simplify right side
    31,588.92x = 498,379,953.69
  5. Step 5: Solve for x
    x = 498,379,953.69/31,588.92
  6. Step 6: Final answer
    x = 15,777.05

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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.