Home / 42,921.20-64,369.49-14,833.91

Finding the Fourth Proportional to 42,921.20, 64,369.49 and 14,833.91

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Solution

The fourth proportional to 42,921.20, 64,369.49 and 14,833.91 is: 22,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,921.20 : 64,369.49 = 14,833.91 : x
  2. Step 2: Convert to fraction form
    42,921.20/64,369.49 = 14,833.91/x
  3. Step 3: Cross multiply
    42,921.20x = 64,369.49 × 14,833.91
  4. Step 4: Simplify right side
    42,921.20x = 954,850,825.39
  5. Step 5: Solve for x
    x = 954,850,825.39/42,921.20
  6. Step 6: Final answer
    x = 22,246.60

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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.