Home / 38,801.61-58,199.63-13,838.85

Finding the Fourth Proportional to 38,801.61, 58,199.63 and 13,838.85

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Solution

The fourth proportional to 38,801.61, 58,199.63 and 13,838.85 is: 20,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,801.61 : 58,199.63 = 13,838.85 : x
  2. Step 2: Convert to fraction form
    38,801.61/58,199.63 = 13,838.85/x
  3. Step 3: Cross multiply
    38,801.61x = 58,199.63 × 13,838.85
  4. Step 4: Simplify right side
    38,801.61x = 805,415,880.43
  5. Step 5: Solve for x
    x = 805,415,880.43/38,801.61
  6. Step 6: Final answer
    x = 20,757.28

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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.