Home / 31,597.44-47,423.45-12,887.79

Finding the Fourth Proportional to 31,597.44, 47,423.45 and 12,887.79

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Solution

The fourth proportional to 31,597.44, 47,423.45 and 12,887.79 is: 19,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.44 : 47,423.45 = 12,887.79 : x
  2. Step 2: Convert to fraction form
    31,597.44/47,423.45 = 12,887.79/x
  3. Step 3: Cross multiply
    31,597.44x = 47,423.45 × 12,887.79
  4. Step 4: Simplify right side
    31,597.44x = 611,183,464.68
  5. Step 5: Solve for x
    x = 611,183,464.68/31,597.44
  6. Step 6: Final answer
    x = 19,342.82

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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.