Home / 38,071.92-52,538.62-21,075.81

Finding the Fourth Proportional to 38,071.92, 52,538.62 and 21,075.81

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Solution

The fourth proportional to 38,071.92, 52,538.62 and 21,075.81 is: 29,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,071.92 : 52,538.62 = 21,075.81 : x
  2. Step 2: Convert to fraction form
    38,071.92/52,538.62 = 21,075.81/x
  3. Step 3: Cross multiply
    38,071.92x = 52,538.62 × 21,075.81
  4. Step 4: Simplify right side
    38,071.92x = 1,107,293,972.78
  5. Step 5: Solve for x
    x = 1,107,293,972.78/38,071.92
  6. Step 6: Final answer
    x = 29,084.27

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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.