Home / 38,522.75-53,160.37-21,527.13

Finding the Fourth Proportional to 38,522.75, 53,160.37 and 21,527.13

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Solution

The fourth proportional to 38,522.75, 53,160.37 and 21,527.13 is: 29,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.75 : 53,160.37 = 21,527.13 : x
  2. Step 2: Convert to fraction form
    38,522.75/53,160.37 = 21,527.13/x
  3. Step 3: Cross multiply
    38,522.75x = 53,160.37 × 21,527.13
  4. Step 4: Simplify right side
    38,522.75x = 1,144,390,142.02
  5. Step 5: Solve for x
    x = 1,144,390,142.02/38,522.75
  6. Step 6: Final answer
    x = 29,706.87

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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.