Home / 31,928.47-47,895.21-9,742.03

Finding the Fourth Proportional to 31,928.47, 47,895.21 and 9,742.03

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Solution

The fourth proportional to 31,928.47, 47,895.21 and 9,742.03 is: 14,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928.47 : 47,895.21 = 9,742.03 : x
  2. Step 2: Convert to fraction form
    31,928.47/47,895.21 = 9,742.03/x
  3. Step 3: Cross multiply
    31,928.47x = 47,895.21 × 9,742.03
  4. Step 4: Simplify right side
    31,928.47x = 466,596,572.68
  5. Step 5: Solve for x
    x = 466,596,572.68/31,928.47
  6. Step 6: Final answer
    x = 14,613.81

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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.