Home / 57,272.46-85,888.08-19,822.35

Finding the Fourth Proportional to 57,272.46, 85,888.08 and 19,822.35

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Solution

The fourth proportional to 57,272.46, 85,888.08 and 19,822.35 is: 29,726.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.46 : 85,888.08 = 19,822.35 : x
  2. Step 2: Convert to fraction form
    57,272.46/85,888.08 = 19,822.35/x
  3. Step 3: Cross multiply
    57,272.46x = 85,888.08 × 19,822.35
  4. Step 4: Simplify right side
    57,272.46x = 1,702,503,582.59
  5. Step 5: Solve for x
    x = 1,702,503,582.59/57,272.46
  6. Step 6: Final answer
    x = 29,726.39

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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.