Home / 31,418.11-47,117.16-10,354.23

Finding the Fourth Proportional to 31,418.11, 47,117.16 and 10,354.23

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Solution

The fourth proportional to 31,418.11, 47,117.16 and 10,354.23 is: 15,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.11 : 47,117.16 = 10,354.23 : x
  2. Step 2: Convert to fraction form
    31,418.11/47,117.16 = 10,354.23/x
  3. Step 3: Cross multiply
    31,418.11x = 47,117.16 × 10,354.23
  4. Step 4: Simplify right side
    31,418.11x = 487,861,911.59
  5. Step 5: Solve for x
    x = 487,861,911.59/31,418.11
  6. Step 6: Final answer
    x = 15,528.05

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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.