Home / 52,360.02-78,539.76-21,195

Finding the Fourth Proportional to 52,360.02, 78,539.76 and 21,195

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Solution

The fourth proportional to 52,360.02, 78,539.76 and 21,195 is: 31,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,360.02 : 78,539.76 = 21,195 : x
  2. Step 2: Convert to fraction form
    52,360.02/78,539.76 = 21,195/x
  3. Step 3: Cross multiply
    52,360.02x = 78,539.76 × 21,195
  4. Step 4: Simplify right side
    52,360.02x = 1,664,650,213.20
  5. Step 5: Solve for x
    x = 1,664,650,213.20/52,360.02
  6. Step 6: Final answer
    x = 31,792.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.