Home / 40,238.06-60,359.79-10,655.51

Finding the Fourth Proportional to 40,238.06, 60,359.79 and 10,655.51

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Solution

The fourth proportional to 40,238.06, 60,359.79 and 10,655.51 is: 15,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,238.06 : 60,359.79 = 10,655.51 : x
  2. Step 2: Convert to fraction form
    40,238.06/60,359.79 = 10,655.51/x
  3. Step 3: Cross multiply
    40,238.06x = 60,359.79 × 10,655.51
  4. Step 4: Simplify right side
    40,238.06x = 643,164,345.94
  5. Step 5: Solve for x
    x = 643,164,345.94/40,238.06
  6. Step 6: Final answer
    x = 15,983.98

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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.