Home / 45,486.02-68,251.44-20,543.42

Finding the Fourth Proportional to 45,486.02, 68,251.44 and 20,543.42

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Solution

The fourth proportional to 45,486.02, 68,251.44 and 20,543.42 is: 30,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,486.02 : 68,251.44 = 20,543.42 : x
  2. Step 2: Convert to fraction form
    45,486.02/68,251.44 = 20,543.42/x
  3. Step 3: Cross multiply
    45,486.02x = 68,251.44 × 20,543.42
  4. Step 4: Simplify right side
    45,486.02x = 1,402,117,997.52
  5. Step 5: Solve for x
    x = 1,402,117,997.52/45,486.02
  6. Step 6: Final answer
    x = 30,825.25

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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.