Home / 30,232.68-45,120.39-29,445.36

Finding the Fourth Proportional to 30,232.68, 45,120.39 and 29,445.36

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Solution

The fourth proportional to 30,232.68, 45,120.39 and 29,445.36 is: 43,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.68 : 45,120.39 = 29,445.36 : x
  2. Step 2: Convert to fraction form
    30,232.68/45,120.39 = 29,445.36/x
  3. Step 3: Cross multiply
    30,232.68x = 45,120.39 × 29,445.36
  4. Step 4: Simplify right side
    30,232.68x = 1,328,586,126.89
  5. Step 5: Solve for x
    x = 1,328,586,126.89/30,232.68
  6. Step 6: Final answer
    x = 43,945.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.