Home / 52,647.06-72,650.76-28,774.56

Finding the Fourth Proportional to 52,647.06, 72,650.76 and 28,774.56

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Solution

The fourth proportional to 52,647.06, 72,650.76 and 28,774.56 is: 39,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,647.06 : 72,650.76 = 28,774.56 : x
  2. Step 2: Convert to fraction form
    52,647.06/72,650.76 = 28,774.56/x
  3. Step 3: Cross multiply
    52,647.06x = 72,650.76 × 28,774.56
  4. Step 4: Simplify right side
    52,647.06x = 2,090,493,652.67
  5. Step 5: Solve for x
    x = 2,090,493,652.67/52,647.06
  6. Step 6: Final answer
    x = 39,707.70

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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.