Home / 57,142.31-78,849.65-32,943.00

Finding the Fourth Proportional to 57,142.31, 78,849.65 and 32,943.00

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Solution

The fourth proportional to 57,142.31, 78,849.65 and 32,943.00 is: 45,457.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.31 : 78,849.65 = 32,943.00 : x
  2. Step 2: Convert to fraction form
    57,142.31/78,849.65 = 32,943.00/x
  3. Step 3: Cross multiply
    57,142.31x = 78,849.65 × 32,943.00
  4. Step 4: Simplify right side
    57,142.31x = 2,597,544,397.99
  5. Step 5: Solve for x
    x = 2,597,544,397.99/57,142.31
  6. Step 6: Final answer
    x = 45,457.46

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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.