Home / 31,473.48-47,218.32-11,752.20

Finding the Fourth Proportional to 31,473.48, 47,218.32 and 11,752.20

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Solution

The fourth proportional to 31,473.48, 47,218.32 and 11,752.20 is: 17,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.48 : 47,218.32 = 11,752.20 : x
  2. Step 2: Convert to fraction form
    31,473.48/47,218.32 = 11,752.20/x
  3. Step 3: Cross multiply
    31,473.48x = 47,218.32 × 11,752.20
  4. Step 4: Simplify right side
    31,473.48x = 554,919,140.30
  5. Step 5: Solve for x
    x = 554,919,140.30/31,473.48
  6. Step 6: Final answer
    x = 17,631.32

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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.