Home / 47,786.15-71,688.30-15,767.17

Finding the Fourth Proportional to 47,786.15, 71,688.30 and 15,767.17

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Solution

The fourth proportional to 47,786.15, 71,688.30 and 15,767.17 is: 23,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,786.15 : 71,688.30 = 15,767.17 : x
  2. Step 2: Convert to fraction form
    47,786.15/71,688.30 = 15,767.17/x
  3. Step 3: Cross multiply
    47,786.15x = 71,688.30 × 15,767.17
  4. Step 4: Simplify right side
    47,786.15x = 1,130,321,254.67
  5. Step 5: Solve for x
    x = 1,130,321,254.67/47,786.15
  6. Step 6: Final answer
    x = 23,653.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.