Home / 32,921.02-45,431.13-30,409.54

Finding the Fourth Proportional to 32,921.02, 45,431.13 and 30,409.54

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Solution

The fourth proportional to 32,921.02, 45,431.13 and 30,409.54 is: 41,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.02 : 45,431.13 = 30,409.54 : x
  2. Step 2: Convert to fraction form
    32,921.02/45,431.13 = 30,409.54/x
  3. Step 3: Cross multiply
    32,921.02x = 45,431.13 × 30,409.54
  4. Step 4: Simplify right side
    32,921.02x = 1,381,539,764.98
  5. Step 5: Solve for x
    x = 1,381,539,764.98/32,921.02
  6. Step 6: Final answer
    x = 41,965.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.