Home / 31,409.09-47,118.76-9,223.19

Finding the Fourth Proportional to 31,409.09, 47,118.76 and 9,223.19

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Solution

The fourth proportional to 31,409.09, 47,118.76 and 9,223.19 is: 13,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.09 : 47,118.76 = 9,223.19 : x
  2. Step 2: Convert to fraction form
    31,409.09/47,118.76 = 9,223.19/x
  3. Step 3: Cross multiply
    31,409.09x = 47,118.76 × 9,223.19
  4. Step 4: Simplify right side
    31,409.09x = 434,585,017.39
  5. Step 5: Solve for x
    x = 434,585,017.39/31,409.09
  6. Step 6: Final answer
    x = 13,836.28

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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.