Home / 70,350.94-105,546.18-28,260.58

Finding the Fourth Proportional to 70,350.94, 105,546.18 and 28,260.58

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Solution

The fourth proportional to 70,350.94, 105,546.18 and 28,260.58 is: 42,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.94 : 105,546.18 = 28,260.58 : x
  2. Step 2: Convert to fraction form
    70,350.94/105,546.18 = 28,260.58/x
  3. Step 3: Cross multiply
    70,350.94x = 105,546.18 × 28,260.58
  4. Step 4: Simplify right side
    70,350.94x = 2,982,796,263.58
  5. Step 5: Solve for x
    x = 2,982,796,263.58/70,350.94
  6. Step 6: Final answer
    x = 42,398.81

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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.