Home / 49,484.71-74,221.21-13,948.69

Finding the Fourth Proportional to 49,484.71, 74,221.21 and 13,948.69

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Solution

The fourth proportional to 49,484.71, 74,221.21 and 13,948.69 is: 20,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,484.71 : 74,221.21 = 13,948.69 : x
  2. Step 2: Convert to fraction form
    49,484.71/74,221.21 = 13,948.69/x
  3. Step 3: Cross multiply
    49,484.71x = 74,221.21 × 13,948.69
  4. Step 4: Simplify right side
    49,484.71x = 1,035,288,786.08
  5. Step 5: Solve for x
    x = 1,035,288,786.08/49,484.71
  6. Step 6: Final answer
    x = 20,921.39

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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.