Home / 31,597.43-47,397.13-13,818.94

Finding the Fourth Proportional to 31,597.43, 47,397.13 and 13,818.94

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Solution

The fourth proportional to 31,597.43, 47,397.13 and 13,818.94 is: 20,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.43 : 47,397.13 = 13,818.94 : x
  2. Step 2: Convert to fraction form
    31,597.43/47,397.13 = 13,818.94/x
  3. Step 3: Cross multiply
    31,597.43x = 47,397.13 × 13,818.94
  4. Step 4: Simplify right side
    31,597.43x = 654,977,942.60
  5. Step 5: Solve for x
    x = 654,977,942.60/31,597.43
  6. Step 6: Final answer
    x = 20,728.84

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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.