Home / 31,283.72-46,931.85-13,753.56

Finding the Fourth Proportional to 31,283.72, 46,931.85 and 13,753.56

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Solution

The fourth proportional to 31,283.72, 46,931.85 and 13,753.56 is: 20,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.72 : 46,931.85 = 13,753.56 : x
  2. Step 2: Convert to fraction form
    31,283.72/46,931.85 = 13,753.56/x
  3. Step 3: Cross multiply
    31,283.72x = 46,931.85 × 13,753.56
  4. Step 4: Simplify right side
    31,283.72x = 645,480,014.89
  5. Step 5: Solve for x
    x = 645,480,014.89/31,283.72
  6. Step 6: Final answer
    x = 20,633.10

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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.