Home / 52,669.24-72,688.39-30,011.31

Finding the Fourth Proportional to 52,669.24, 72,688.39 and 30,011.31

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Solution

The fourth proportional to 52,669.24, 72,688.39 and 30,011.31 is: 41,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,669.24 : 72,688.39 = 30,011.31 : x
  2. Step 2: Convert to fraction form
    52,669.24/72,688.39 = 30,011.31/x
  3. Step 3: Cross multiply
    52,669.24x = 72,688.39 × 30,011.31
  4. Step 4: Simplify right side
    52,669.24x = 2,181,473,730.66
  5. Step 5: Solve for x
    x = 2,181,473,730.66/52,669.24
  6. Step 6: Final answer
    x = 41,418.37

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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.