Home / 74,641.74-111,929.49-39,573.18

Finding the Fourth Proportional to 74,641.74, 111,929.49 and 39,573.18

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Solution

The fourth proportional to 74,641.74, 111,929.49 and 39,573.18 is: 59,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,641.74 : 111,929.49 = 39,573.18 : x
  2. Step 2: Convert to fraction form
    74,641.74/111,929.49 = 39,573.18/x
  3. Step 3: Cross multiply
    74,641.74x = 111,929.49 × 39,573.18
  4. Step 4: Simplify right side
    74,641.74x = 4,429,405,855.08
  5. Step 5: Solve for x
    x = 4,429,405,855.08/74,641.74
  6. Step 6: Final answer
    x = 59,342.21

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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.