Home / 30,387.96-45,824.94-29,972.16

Finding the Fourth Proportional to 30,387.96, 45,824.94 and 29,972.16

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Solution

The fourth proportional to 30,387.96, 45,824.94 and 29,972.16 is: 45,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.96 : 45,824.94 = 29,972.16 : x
  2. Step 2: Convert to fraction form
    30,387.96/45,824.94 = 29,972.16/x
  3. Step 3: Cross multiply
    30,387.96x = 45,824.94 × 29,972.16
  4. Step 4: Simplify right side
    30,387.96x = 1,373,472,433.67
  5. Step 5: Solve for x
    x = 1,373,472,433.67/30,387.96
  6. Step 6: Final answer
    x = 45,197.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.