Home / 37,440.68-51,670.86-21,530.12

Finding the Fourth Proportional to 37,440.68, 51,670.86 and 21,530.12

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Solution

The fourth proportional to 37,440.68, 51,670.86 and 21,530.12 is: 29,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440.68 : 51,670.86 = 21,530.12 : x
  2. Step 2: Convert to fraction form
    37,440.68/51,670.86 = 21,530.12/x
  3. Step 3: Cross multiply
    37,440.68x = 51,670.86 × 21,530.12
  4. Step 4: Simplify right side
    37,440.68x = 1,112,479,816.30
  5. Step 5: Solve for x
    x = 1,112,479,816.30/37,440.68
  6. Step 6: Final answer
    x = 29,713.13

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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.