Home / 38,919.66-58,374.02-12,624.64

Finding the Fourth Proportional to 38,919.66, 58,374.02 and 12,624.64

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Solution

The fourth proportional to 38,919.66, 58,374.02 and 12,624.64 is: 18,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.66 : 58,374.02 = 12,624.64 : x
  2. Step 2: Convert to fraction form
    38,919.66/58,374.02 = 12,624.64/x
  3. Step 3: Cross multiply
    38,919.66x = 58,374.02 × 12,624.64
  4. Step 4: Simplify right side
    38,919.66x = 736,950,987.85
  5. Step 5: Solve for x
    x = 736,950,987.85/38,919.66
  6. Step 6: Final answer
    x = 18,935.19

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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.