Home / 47,322.24-71,309.79-42,879.70

Finding the Fourth Proportional to 47,322.24, 71,309.79 and 42,879.70

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Solution

The fourth proportional to 47,322.24, 71,309.79 and 42,879.70 is: 64,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322.24 : 71,309.79 = 42,879.70 : x
  2. Step 2: Convert to fraction form
    47,322.24/71,309.79 = 42,879.70/x
  3. Step 3: Cross multiply
    47,322.24x = 71,309.79 × 42,879.70
  4. Step 4: Simplify right side
    47,322.24x = 3,057,742,812.56
  5. Step 5: Solve for x
    x = 3,057,742,812.56/47,322.24
  6. Step 6: Final answer
    x = 64,615.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.