Home / 31,411.42-47,110.84-15,394.08

Finding the Fourth Proportional to 31,411.42, 47,110.84 and 15,394.08

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Solution

The fourth proportional to 31,411.42, 47,110.84 and 15,394.08 is: 23,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.42 : 47,110.84 = 15,394.08 : x
  2. Step 2: Convert to fraction form
    31,411.42/47,110.84 = 15,394.08/x
  3. Step 3: Cross multiply
    31,411.42x = 47,110.84 × 15,394.08
  4. Step 4: Simplify right side
    31,411.42x = 725,228,039.83
  5. Step 5: Solve for x
    x = 725,228,039.83/31,411.42
  6. Step 6: Final answer
    x = 23,088.04

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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.