Home / 31,530.24-47,293.74-8,156.10

Finding the Fourth Proportional to 31,530.24, 47,293.74 and 8,156.10

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Solution

The fourth proportional to 31,530.24, 47,293.74 and 8,156.10 is: 12,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.24 : 47,293.74 = 8,156.10 : x
  2. Step 2: Convert to fraction form
    31,530.24/47,293.74 = 8,156.10/x
  3. Step 3: Cross multiply
    31,530.24x = 47,293.74 × 8,156.10
  4. Step 4: Simplify right side
    31,530.24x = 385,732,472.81
  5. Step 5: Solve for x
    x = 385,732,472.81/31,530.24
  6. Step 6: Final answer
    x = 12,233.73

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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.