Home / 38,897.99-58,361.35-31,470.40

Finding the Fourth Proportional to 38,897.99, 58,361.35 and 31,470.40

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Solution

The fourth proportional to 38,897.99, 58,361.35 and 31,470.40 is: 47,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.99 : 58,361.35 = 31,470.40 : x
  2. Step 2: Convert to fraction form
    38,897.99/58,361.35 = 31,470.40/x
  3. Step 3: Cross multiply
    38,897.99x = 58,361.35 × 31,470.40
  4. Step 4: Simplify right side
    38,897.99x = 1,836,655,029.04
  5. Step 5: Solve for x
    x = 1,836,655,029.04/38,897.99
  6. Step 6: Final answer
    x = 47,217.22

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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.