Home / 31,256.80-46,872.85-10,191.66

Finding the Fourth Proportional to 31,256.80, 46,872.85 and 10,191.66

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Solution

The fourth proportional to 31,256.80, 46,872.85 and 10,191.66 is: 15,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.80 : 46,872.85 = 10,191.66 : x
  2. Step 2: Convert to fraction form
    31,256.80/46,872.85 = 10,191.66/x
  3. Step 3: Cross multiply
    31,256.80x = 46,872.85 × 10,191.66
  4. Step 4: Simplify right side
    31,256.80x = 477,712,242.13
  5. Step 5: Solve for x
    x = 477,712,242.13/31,256.80
  6. Step 6: Final answer
    x = 15,283.47

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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.