Home / 57,254.45-78,998.09-36,020.50

Finding the Fourth Proportional to 57,254.45, 78,998.09 and 36,020.50

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Solution

The fourth proportional to 57,254.45, 78,998.09 and 36,020.50 is: 49,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.45 : 78,998.09 = 36,020.50 : x
  2. Step 2: Convert to fraction form
    57,254.45/78,998.09 = 36,020.50/x
  3. Step 3: Cross multiply
    57,254.45x = 78,998.09 × 36,020.50
  4. Step 4: Simplify right side
    57,254.45x = 2,845,550,323.25
  5. Step 5: Solve for x
    x = 2,845,550,323.25/57,254.45
  6. Step 6: Final answer
    x = 49,700.08

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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.