Home / 57,639.50-86,458.63-14,944.70

Finding the Fourth Proportional to 57,639.50, 86,458.63 and 14,944.70

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Solution

The fourth proportional to 57,639.50, 86,458.63 and 14,944.70 is: 22,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,639.50 : 86,458.63 = 14,944.70 : x
  2. Step 2: Convert to fraction form
    57,639.50/86,458.63 = 14,944.70/x
  3. Step 3: Cross multiply
    57,639.50x = 86,458.63 × 14,944.70
  4. Step 4: Simplify right side
    57,639.50x = 1,292,097,855.47
  5. Step 5: Solve for x
    x = 1,292,097,855.47/57,639.50
  6. Step 6: Final answer
    x = 22,416.88

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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.