Home / 31,684.88-47,507.28-26,986.48

Finding the Fourth Proportional to 31,684.88, 47,507.28 and 26,986.48

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Solution

The fourth proportional to 31,684.88, 47,507.28 and 26,986.48 is: 40,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.88 : 47,507.28 = 26,986.48 : x
  2. Step 2: Convert to fraction form
    31,684.88/47,507.28 = 26,986.48/x
  3. Step 3: Cross multiply
    31,684.88x = 47,507.28 × 26,986.48
  4. Step 4: Simplify right side
    31,684.88x = 1,282,054,041.61
  5. Step 5: Solve for x
    x = 1,282,054,041.61/31,684.88
  6. Step 6: Final answer
    x = 40,462.64

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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.