Home / 37,699.22-52,018.68-21,785.15

Finding the Fourth Proportional to 37,699.22, 52,018.68 and 21,785.15

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Solution

The fourth proportional to 37,699.22, 52,018.68 and 21,785.15 is: 30,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,699.22 : 52,018.68 = 21,785.15 : x
  2. Step 2: Convert to fraction form
    37,699.22/52,018.68 = 21,785.15/x
  3. Step 3: Cross multiply
    37,699.22x = 52,018.68 × 21,785.15
  4. Step 4: Simplify right side
    37,699.22x = 1,133,234,486.51
  5. Step 5: Solve for x
    x = 1,133,234,486.51/37,699.22
  6. Step 6: Final answer
    x = 30,059.90

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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.