Home / 57,403.02-79,217.12-31,562.66

Finding the Fourth Proportional to 57,403.02, 79,217.12 and 31,562.66

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Solution

The fourth proportional to 57,403.02, 79,217.12 and 31,562.66 is: 43,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.02 : 79,217.12 = 31,562.66 : x
  2. Step 2: Convert to fraction form
    57,403.02/79,217.12 = 31,562.66/x
  3. Step 3: Cross multiply
    57,403.02x = 79,217.12 × 31,562.66
  4. Step 4: Simplify right side
    57,403.02x = 2,500,303,024.74
  5. Step 5: Solve for x
    x = 2,500,303,024.74/57,403.02
  6. Step 6: Final answer
    x = 43,556.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.