Home / 31,310.49-46,931.72-14,660.13

Finding the Fourth Proportional to 31,310.49, 46,931.72 and 14,660.13

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Solution

The fourth proportional to 31,310.49, 46,931.72 and 14,660.13 is: 21,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.49 : 46,931.72 = 14,660.13 : x
  2. Step 2: Convert to fraction form
    31,310.49/46,931.72 = 14,660.13/x
  3. Step 3: Cross multiply
    31,310.49x = 46,931.72 × 14,660.13
  4. Step 4: Simplify right side
    31,310.49x = 688,025,043.02
  5. Step 5: Solve for x
    x = 688,025,043.02/31,310.49
  6. Step 6: Final answer
    x = 21,974.27

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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.