Home / 31,384.58-47,078.49-8,011.22

Finding the Fourth Proportional to 31,384.58, 47,078.49 and 8,011.22

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Solution

The fourth proportional to 31,384.58, 47,078.49 and 8,011.22 is: 12,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.58 : 47,078.49 = 8,011.22 : x
  2. Step 2: Convert to fraction form
    31,384.58/47,078.49 = 8,011.22/x
  3. Step 3: Cross multiply
    31,384.58x = 47,078.49 × 8,011.22
  4. Step 4: Simplify right side
    31,384.58x = 377,156,140.66
  5. Step 5: Solve for x
    x = 377,156,140.66/31,384.58
  6. Step 6: Final answer
    x = 12,017.24

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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.