Home / 45,101.02-67,643.61-13,936.54

Finding the Fourth Proportional to 45,101.02, 67,643.61 and 13,936.54

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Solution

The fourth proportional to 45,101.02, 67,643.61 and 13,936.54 is: 20,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.02 : 67,643.61 = 13,936.54 : x
  2. Step 2: Convert to fraction form
    45,101.02/67,643.61 = 13,936.54/x
  3. Step 3: Cross multiply
    45,101.02x = 67,643.61 × 13,936.54
  4. Step 4: Simplify right side
    45,101.02x = 942,717,876.51
  5. Step 5: Solve for x
    x = 942,717,876.51/45,101.02
  6. Step 6: Final answer
    x = 20,902.36

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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.