Home / 51,733.60-71,426.16-39,774.88

Finding the Fourth Proportional to 51,733.60, 71,426.16 and 39,774.88

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Solution

The fourth proportional to 51,733.60, 71,426.16 and 39,774.88 is: 54,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,733.60 : 71,426.16 = 39,774.88 : x
  2. Step 2: Convert to fraction form
    51,733.60/71,426.16 = 39,774.88/x
  3. Step 3: Cross multiply
    51,733.60x = 71,426.16 × 39,774.88
  4. Step 4: Simplify right side
    51,733.60x = 2,840,966,942.86
  5. Step 5: Solve for x
    x = 2,840,966,942.86/51,733.60
  6. Step 6: Final answer
    x = 54,915.32

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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.