Home / 38,431.02-57,650.18-13,477.35

Finding the Fourth Proportional to 38,431.02, 57,650.18 and 13,477.35

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Solution

The fourth proportional to 38,431.02, 57,650.18 and 13,477.35 is: 20,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.02 : 57,650.18 = 13,477.35 : x
  2. Step 2: Convert to fraction form
    38,431.02/57,650.18 = 13,477.35/x
  3. Step 3: Cross multiply
    38,431.02x = 57,650.18 × 13,477.35
  4. Step 4: Simplify right side
    38,431.02x = 776,971,653.42
  5. Step 5: Solve for x
    x = 776,971,653.42/38,431.02
  6. Step 6: Final answer
    x = 20,217.31

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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.