Home / 38,690.30-58,036.13-13,731.77

Finding the Fourth Proportional to 38,690.30, 58,036.13 and 13,731.77

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Solution

The fourth proportional to 38,690.30, 58,036.13 and 13,731.77 is: 20,597.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.30 : 58,036.13 = 13,731.77 : x
  2. Step 2: Convert to fraction form
    38,690.30/58,036.13 = 13,731.77/x
  3. Step 3: Cross multiply
    38,690.30x = 58,036.13 × 13,731.77
  4. Step 4: Simplify right side
    38,690.30x = 796,938,430.01
  5. Step 5: Solve for x
    x = 796,938,430.01/38,690.30
  6. Step 6: Final answer
    x = 20,597.89

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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.