Home / 39,281.94-58,926.75-18,499.86

Finding the Fourth Proportional to 39,281.94, 58,926.75 and 18,499.86

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Solution

The fourth proportional to 39,281.94, 58,926.75 and 18,499.86 is: 27,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.94 : 58,926.75 = 18,499.86 : x
  2. Step 2: Convert to fraction form
    39,281.94/58,926.75 = 18,499.86/x
  3. Step 3: Cross multiply
    39,281.94x = 58,926.75 × 18,499.86
  4. Step 4: Simplify right side
    39,281.94x = 1,090,136,625.26
  5. Step 5: Solve for x
    x = 1,090,136,625.26/39,281.94
  6. Step 6: Final answer
    x = 27,751.60

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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.