Home / 53,225.60-79,851.22-19,945.95

Finding the Fourth Proportional to 53,225.60, 79,851.22 and 19,945.95

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Solution

The fourth proportional to 53,225.60, 79,851.22 and 19,945.95 is: 29,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,225.60 : 79,851.22 = 19,945.95 : x
  2. Step 2: Convert to fraction form
    53,225.60/79,851.22 = 19,945.95/x
  3. Step 3: Cross multiply
    53,225.60x = 79,851.22 × 19,945.95
  4. Step 4: Simplify right side
    53,225.60x = 1,592,708,541.42
  5. Step 5: Solve for x
    x = 1,592,708,541.42/53,225.60
  6. Step 6: Final answer
    x = 29,923.73

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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.