Home / 40,291.48-60,457.02-18,120.52

Finding the Fourth Proportional to 40,291.48, 60,457.02 and 18,120.52

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Solution

The fourth proportional to 40,291.48, 60,457.02 and 18,120.52 is: 27,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.48 : 60,457.02 = 18,120.52 : x
  2. Step 2: Convert to fraction form
    40,291.48/60,457.02 = 18,120.52/x
  3. Step 3: Cross multiply
    40,291.48x = 60,457.02 × 18,120.52
  4. Step 4: Simplify right side
    40,291.48x = 1,095,512,640.05
  5. Step 5: Solve for x
    x = 1,095,512,640.05/40,291.48
  6. Step 6: Final answer
    x = 27,189.68

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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.