Home / 38,817.63-58,230.09-13,860.32

Finding the Fourth Proportional to 38,817.63, 58,230.09 and 13,860.32

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Solution

The fourth proportional to 38,817.63, 58,230.09 and 13,860.32 is: 20,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.63 : 58,230.09 = 13,860.32 : x
  2. Step 2: Convert to fraction form
    38,817.63/58,230.09 = 13,860.32/x
  3. Step 3: Cross multiply
    38,817.63x = 58,230.09 × 13,860.32
  4. Step 4: Simplify right side
    38,817.63x = 807,087,389.88
  5. Step 5: Solve for x
    x = 807,087,389.88/38,817.63
  6. Step 6: Final answer
    x = 20,791.77

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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.