Home / 49,634.20-74,409.40-21,533.07

Finding the Fourth Proportional to 49,634.20, 74,409.40 and 21,533.07

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Solution

The fourth proportional to 49,634.20, 74,409.40 and 21,533.07 is: 32,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.20 : 74,409.40 = 21,533.07 : x
  2. Step 2: Convert to fraction form
    49,634.20/74,409.40 = 21,533.07/x
  3. Step 3: Cross multiply
    49,634.20x = 74,409.40 × 21,533.07
  4. Step 4: Simplify right side
    49,634.20x = 1,602,263,124.81
  5. Step 5: Solve for x
    x = 1,602,263,124.81/49,634.20
  6. Step 6: Final answer
    x = 32,281.43

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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.