Home / 38,946.34-58,422.31-13,986.59

Finding the Fourth Proportional to 38,946.34, 58,422.31 and 13,986.59

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Solution

The fourth proportional to 38,946.34, 58,422.31 and 13,986.59 is: 20,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.34 : 58,422.31 = 13,986.59 : x
  2. Step 2: Convert to fraction form
    38,946.34/58,422.31 = 13,986.59/x
  3. Step 3: Cross multiply
    38,946.34x = 58,422.31 × 13,986.59
  4. Step 4: Simplify right side
    38,946.34x = 817,128,977.04
  5. Step 5: Solve for x
    x = 817,128,977.04/38,946.34
  6. Step 6: Final answer
    x = 20,980.89

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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.