Home / 39,157.02-58,668.66-25,821.90

Finding the Fourth Proportional to 39,157.02, 58,668.66 and 25,821.90

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Solution

The fourth proportional to 39,157.02, 58,668.66 and 25,821.90 is: 38,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.02 : 58,668.66 = 25,821.90 : x
  2. Step 2: Convert to fraction form
    39,157.02/58,668.66 = 25,821.90/x
  3. Step 3: Cross multiply
    39,157.02x = 58,668.66 × 25,821.90
  4. Step 4: Simplify right side
    39,157.02x = 1,514,936,271.65
  5. Step 5: Solve for x
    x = 1,514,936,271.65/39,157.02
  6. Step 6: Final answer
    x = 38,688.75

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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.