Home / 45,528.02-68,201.88-21,479.42

Finding the Fourth Proportional to 45,528.02, 68,201.88 and 21,479.42

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Solution

The fourth proportional to 45,528.02, 68,201.88 and 21,479.42 is: 32,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528.02 : 68,201.88 = 21,479.42 : x
  2. Step 2: Convert to fraction form
    45,528.02/68,201.88 = 21,479.42/x
  3. Step 3: Cross multiply
    45,528.02x = 68,201.88 × 21,479.42
  4. Step 4: Simplify right side
    45,528.02x = 1,464,936,825.31
  5. Step 5: Solve for x
    x = 1,464,936,825.31/45,528.02
  6. Step 6: Final answer
    x = 32,176.60

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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.