Home / 31,615.92-47,378.40-23,230.08

Finding the Fourth Proportional to 31,615.92, 47,378.40 and 23,230.08

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Solution

The fourth proportional to 31,615.92, 47,378.40 and 23,230.08 is: 34,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.92 : 47,378.40 = 23,230.08 : x
  2. Step 2: Convert to fraction form
    31,615.92/47,378.40 = 23,230.08/x
  3. Step 3: Cross multiply
    31,615.92x = 47,378.40 × 23,230.08
  4. Step 4: Simplify right side
    31,615.92x = 1,100,604,022.27
  5. Step 5: Solve for x
    x = 1,100,604,022.27/31,615.92
  6. Step 6: Final answer
    x = 34,811.70

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1.5x scale

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.