Home / 51,876.91-71,592.80-31,727.46

Finding the Fourth Proportional to 51,876.91, 71,592.80 and 31,727.46

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Solution

The fourth proportional to 51,876.91, 71,592.80 and 31,727.46 is: 43,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.91 : 71,592.80 = 31,727.46 : x
  2. Step 2: Convert to fraction form
    51,876.91/71,592.80 = 31,727.46/x
  3. Step 3: Cross multiply
    51,876.91x = 71,592.80 × 31,727.46
  4. Step 4: Simplify right side
    51,876.91x = 2,271,457,808.12
  5. Step 5: Solve for x
    x = 2,271,457,808.12/51,876.91
  6. Step 6: Final answer
    x = 43,785.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.