Home / 31,288.24-46,932.66-12,314.80

Finding the Fourth Proportional to 31,288.24, 46,932.66 and 12,314.80

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Solution

The fourth proportional to 31,288.24, 46,932.66 and 12,314.80 is: 18,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.24 : 46,932.66 = 12,314.80 : x
  2. Step 2: Convert to fraction form
    31,288.24/46,932.66 = 12,314.80/x
  3. Step 3: Cross multiply
    31,288.24x = 46,932.66 × 12,314.80
  4. Step 4: Simplify right side
    31,288.24x = 577,966,204.04
  5. Step 5: Solve for x
    x = 577,966,204.04/31,288.24
  6. Step 6: Final answer
    x = 18,472.32

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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.