Home / 38,953.58-58,395.29-13,987.76

Finding the Fourth Proportional to 38,953.58, 58,395.29 and 13,987.76

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Solution

The fourth proportional to 38,953.58, 58,395.29 and 13,987.76 is: 20,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.58 : 58,395.29 = 13,987.76 : x
  2. Step 2: Convert to fraction form
    38,953.58/58,395.29 = 13,987.76/x
  3. Step 3: Cross multiply
    38,953.58x = 58,395.29 × 13,987.76
  4. Step 4: Simplify right side
    38,953.58x = 816,818,939.74
  5. Step 5: Solve for x
    x = 816,818,939.74/38,953.58
  6. Step 6: Final answer
    x = 20,969.04

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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.