Home / 38,254.61-57,390.02-11,961.34

Finding the Fourth Proportional to 38,254.61, 57,390.02 and 11,961.34

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Solution

The fourth proportional to 38,254.61, 57,390.02 and 11,961.34 is: 17,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.61 : 57,390.02 = 11,961.34 : x
  2. Step 2: Convert to fraction form
    38,254.61/57,390.02 = 11,961.34/x
  3. Step 3: Cross multiply
    38,254.61x = 57,390.02 × 11,961.34
  4. Step 4: Simplify right side
    38,254.61x = 686,461,541.83
  5. Step 5: Solve for x
    x = 686,461,541.83/38,254.61
  6. Step 6: Final answer
    x = 17,944.54

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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.