Home / 30,244.02-45,273.08-19,112.20

Finding the Fourth Proportional to 30,244.02, 45,273.08 and 19,112.20

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Solution

The fourth proportional to 30,244.02, 45,273.08 and 19,112.20 is: 28,609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.02 : 45,273.08 = 19,112.20 : x
  2. Step 2: Convert to fraction form
    30,244.02/45,273.08 = 19,112.20/x
  3. Step 3: Cross multiply
    30,244.02x = 45,273.08 × 19,112.20
  4. Step 4: Simplify right side
    30,244.02x = 865,268,159.58
  5. Step 5: Solve for x
    x = 865,268,159.58/30,244.02
  6. Step 6: Final answer
    x = 28,609.56

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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.