Home / 38,527.04-53,166.84-21,531.56

Finding the Fourth Proportional to 38,527.04, 53,166.84 and 21,531.56

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Solution

The fourth proportional to 38,527.04, 53,166.84 and 21,531.56 is: 29,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,527.04 : 53,166.84 = 21,531.56 : x
  2. Step 2: Convert to fraction form
    38,527.04/53,166.84 = 21,531.56/x
  3. Step 3: Cross multiply
    38,527.04x = 53,166.84 × 21,531.56
  4. Step 4: Simplify right side
    38,527.04x = 1,144,765,005.47
  5. Step 5: Solve for x
    x = 1,144,765,005.47/38,527.04
  6. Step 6: Final answer
    x = 29,713.29

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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.