Home / 57,048.35-78,727.23-31,553.37

Finding the Fourth Proportional to 57,048.35, 78,727.23 and 31,553.37

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Solution

The fourth proportional to 57,048.35, 78,727.23 and 31,553.37 is: 43,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,048.35 : 78,727.23 = 31,553.37 : x
  2. Step 2: Convert to fraction form
    57,048.35/78,727.23 = 31,553.37/x
  3. Step 3: Cross multiply
    57,048.35x = 78,727.23 × 31,553.37
  4. Step 4: Simplify right side
    57,048.35x = 2,484,109,417.27
  5. Step 5: Solve for x
    x = 2,484,109,417.27/57,048.35
  6. Step 6: Final answer
    x = 43,543.93

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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.