Home / 47,387.81-71,057.95-15,786.77

Finding the Fourth Proportional to 47,387.81, 71,057.95 and 15,786.77

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Solution

The fourth proportional to 47,387.81, 71,057.95 and 15,786.77 is: 23,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.81 : 71,057.95 = 15,786.77 : x
  2. Step 2: Convert to fraction form
    47,387.81/71,057.95 = 15,786.77/x
  3. Step 3: Cross multiply
    47,387.81x = 71,057.95 × 15,786.77
  4. Step 4: Simplify right side
    47,387.81x = 1,121,775,513.32
  5. Step 5: Solve for x
    x = 1,121,775,513.32/47,387.81
  6. Step 6: Final answer
    x = 23,672.24

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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.