Home / 45,529.02-68,203.38-21,480.42

Finding the Fourth Proportional to 45,529.02, 68,203.38 and 21,480.42

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Solution

The fourth proportional to 45,529.02, 68,203.38 and 21,480.42 is: 32,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,529.02 : 68,203.38 = 21,480.42 : x
  2. Step 2: Convert to fraction form
    45,529.02/68,203.38 = 21,480.42/x
  3. Step 3: Cross multiply
    45,529.02x = 68,203.38 × 21,480.42
  4. Step 4: Simplify right side
    45,529.02x = 1,465,037,247.82
  5. Step 5: Solve for x
    x = 1,465,037,247.82/45,529.02
  6. Step 6: Final answer
    x = 32,178.10

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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.