Home / 37,438.68-51,668.10-21,528.12

Finding the Fourth Proportional to 37,438.68, 51,668.10 and 21,528.12

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Solution

The fourth proportional to 37,438.68, 51,668.10 and 21,528.12 is: 29,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.68 : 51,668.10 = 21,528.12 : x
  2. Step 2: Convert to fraction form
    37,438.68/51,668.10 = 21,528.12/x
  3. Step 3: Cross multiply
    37,438.68x = 51,668.10 × 21,528.12
  4. Step 4: Simplify right side
    37,438.68x = 1,112,317,056.97
  5. Step 5: Solve for x
    x = 1,112,317,056.97/37,438.68
  6. Step 6: Final answer
    x = 29,710.37

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Double scale
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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.