Home / 38,148.22-57,148.53-21,457.54

Finding the Fourth Proportional to 38,148.22, 57,148.53 and 21,457.54

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Solution

The fourth proportional to 38,148.22, 57,148.53 and 21,457.54 is: 32,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.22 : 57,148.53 = 21,457.54 : x
  2. Step 2: Convert to fraction form
    38,148.22/57,148.53 = 21,457.54/x
  3. Step 3: Cross multiply
    38,148.22x = 57,148.53 × 21,457.54
  4. Step 4: Simplify right side
    38,148.22x = 1,226,266,868.42
  5. Step 5: Solve for x
    x = 1,226,266,868.42/38,148.22
  6. Step 6: Final answer
    x = 32,144.80

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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.