Home / 38,407.02-57,610.53-12,114.42

Finding the Fourth Proportional to 38,407.02, 57,610.53 and 12,114.42

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Solution

The fourth proportional to 38,407.02, 57,610.53 and 12,114.42 is: 18,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.02 : 57,610.53 = 12,114.42 : x
  2. Step 2: Convert to fraction form
    38,407.02/57,610.53 = 12,114.42/x
  3. Step 3: Cross multiply
    38,407.02x = 57,610.53 × 12,114.42
  4. Step 4: Simplify right side
    38,407.02x = 697,918,156.84
  5. Step 5: Solve for x
    x = 697,918,156.84/38,407.02
  6. Step 6: Final answer
    x = 18,171.63

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1.5x scale

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.