Home / 38,143.46-52,643.42-21,151.48

Finding the Fourth Proportional to 38,143.46, 52,643.42 and 21,151.48

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Solution

The fourth proportional to 38,143.46, 52,643.42 and 21,151.48 is: 29,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.46 : 52,643.42 = 21,151.48 : x
  2. Step 2: Convert to fraction form
    38,143.46/52,643.42 = 21,151.48/x
  3. Step 3: Cross multiply
    38,143.46x = 52,643.42 × 21,151.48
  4. Step 4: Simplify right side
    38,143.46x = 1,113,486,185.92
  5. Step 5: Solve for x
    x = 1,113,486,185.92/38,143.46
  6. Step 6: Final answer
    x = 29,192.06

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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.