Home / 51,342.12-70,821.54-35,425.80

Finding the Fourth Proportional to 51,342.12, 70,821.54 and 35,425.80

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Solution

The fourth proportional to 51,342.12, 70,821.54 and 35,425.80 is: 48,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.12 : 70,821.54 = 35,425.80 : x
  2. Step 2: Convert to fraction form
    51,342.12/70,821.54 = 35,425.80/x
  3. Step 3: Cross multiply
    51,342.12x = 70,821.54 × 35,425.80
  4. Step 4: Simplify right side
    51,342.12x = 2,508,909,711.73
  5. Step 5: Solve for x
    x = 2,508,909,711.73/51,342.12
  6. Step 6: Final answer
    x = 48,866.50

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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.