Home / 31,327.29-46,995.66-9,142.20

Finding the Fourth Proportional to 31,327.29, 46,995.66 and 9,142.20

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Solution

The fourth proportional to 31,327.29, 46,995.66 and 9,142.20 is: 13,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.29 : 46,995.66 = 9,142.20 : x
  2. Step 2: Convert to fraction form
    31,327.29/46,995.66 = 9,142.20/x
  3. Step 3: Cross multiply
    31,327.29x = 46,995.66 × 9,142.20
  4. Step 4: Simplify right side
    31,327.29x = 429,643,722.85
  5. Step 5: Solve for x
    x = 429,643,722.85/31,327.29
  6. Step 6: Final answer
    x = 13,714.68

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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.