Home / 38,820.85-58,243.58-13,860.36

Finding the Fourth Proportional to 38,820.85, 58,243.58 and 13,860.36

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Solution

The fourth proportional to 38,820.85, 58,243.58 and 13,860.36 is: 20,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.85 : 58,243.58 = 13,860.36 : x
  2. Step 2: Convert to fraction form
    38,820.85/58,243.58 = 13,860.36/x
  3. Step 3: Cross multiply
    38,820.85x = 58,243.58 × 13,860.36
  4. Step 4: Simplify right side
    38,820.85x = 807,276,986.49
  5. Step 5: Solve for x
    x = 807,276,986.49/38,820.85
  6. Step 6: Final answer
    x = 20,794.93

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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.