Home / 54,099.02-81,077.78-39,156.44

Finding the Fourth Proportional to 54,099.02, 81,077.78 and 39,156.44

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Solution

The fourth proportional to 54,099.02, 81,077.78 and 39,156.44 is: 58,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.02 : 81,077.78 = 39,156.44 : x
  2. Step 2: Convert to fraction form
    54,099.02/81,077.78 = 39,156.44/x
  3. Step 3: Cross multiply
    54,099.02x = 81,077.78 × 39,156.44
  4. Step 4: Simplify right side
    54,099.02x = 3,174,717,227.90
  5. Step 5: Solve for x
    x = 3,174,717,227.90/54,099.02
  6. Step 6: Final answer
    x = 58,683.45

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1.5x scale

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.