Home / 31,473.10-47,210.27-11,747.72

Finding the Fourth Proportional to 31,473.10, 47,210.27 and 11,747.72

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Solution

The fourth proportional to 31,473.10, 47,210.27 and 11,747.72 is: 17,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.10 : 47,210.27 = 11,747.72 : x
  2. Step 2: Convert to fraction form
    31,473.10/47,210.27 = 11,747.72/x
  3. Step 3: Cross multiply
    31,473.10x = 47,210.27 × 11,747.72
  4. Step 4: Simplify right side
    31,473.10x = 554,613,033.08
  5. Step 5: Solve for x
    x = 554,613,033.08/31,473.10
  6. Step 6: Final answer
    x = 17,621.81

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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.