Home / 57,408.02-79,224.02-31,567.66

Finding the Fourth Proportional to 57,408.02, 79,224.02 and 31,567.66

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Solution

The fourth proportional to 57,408.02, 79,224.02 and 31,567.66 is: 43,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,408.02 : 79,224.02 = 31,567.66 : x
  2. Step 2: Convert to fraction form
    57,408.02/79,224.02 = 31,567.66/x
  3. Step 3: Cross multiply
    57,408.02x = 79,224.02 × 31,567.66
  4. Step 4: Simplify right side
    57,408.02x = 2,500,916,927.19
  5. Step 5: Solve for x
    x = 2,500,916,927.19/57,408.02
  6. Step 6: Final answer
    x = 43,563.89

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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.