Home / 31,596.21-47,404.10-18,960.08

Finding the Fourth Proportional to 31,596.21, 47,404.10 and 18,960.08

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Solution

The fourth proportional to 31,596.21, 47,404.10 and 18,960.08 is: 28,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.21 : 47,404.10 = 18,960.08 : x
  2. Step 2: Convert to fraction form
    31,596.21/47,404.10 = 18,960.08/x
  3. Step 3: Cross multiply
    31,596.21x = 47,404.10 × 18,960.08
  4. Step 4: Simplify right side
    31,596.21x = 898,785,338.71
  5. Step 5: Solve for x
    x = 898,785,338.71/31,596.21
  6. Step 6: Final answer
    x = 28,445.99

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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.