Home / 57,272.60-85,888.31-19,822.50

Finding the Fourth Proportional to 57,272.60, 85,888.31 and 19,822.50

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Solution

The fourth proportional to 57,272.60, 85,888.31 and 19,822.50 is: 29,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.60 : 85,888.31 = 19,822.50 : x
  2. Step 2: Convert to fraction form
    57,272.60/85,888.31 = 19,822.50/x
  3. Step 3: Cross multiply
    57,272.60x = 85,888.31 × 19,822.50
  4. Step 4: Simplify right side
    57,272.60x = 1,702,520,925.86
  5. Step 5: Solve for x
    x = 1,702,520,925.86/57,272.60
  6. Step 6: Final answer
    x = 29,726.62

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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.