Home / 45,772.12-68,674.65-28,221.58

Finding the Fourth Proportional to 45,772.12, 68,674.65 and 28,221.58

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Solution

The fourth proportional to 45,772.12, 68,674.65 and 28,221.58 is: 42,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,772.12 : 68,674.65 = 28,221.58 : x
  2. Step 2: Convert to fraction form
    45,772.12/68,674.65 = 28,221.58/x
  3. Step 3: Cross multiply
    45,772.12x = 68,674.65 × 28,221.58
  4. Step 4: Simplify right side
    45,772.12x = 1,938,107,128.95
  5. Step 5: Solve for x
    x = 1,938,107,128.95/45,772.12
  6. Step 6: Final answer
    x = 42,342.52

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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.