Home / 29,280.56-43,889.37-12,648.41

Finding the Fourth Proportional to 29,280.56, 43,889.37 and 12,648.41

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Solution

The fourth proportional to 29,280.56, 43,889.37 and 12,648.41 is: 18,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.56 : 43,889.37 = 12,648.41 : x
  2. Step 2: Convert to fraction form
    29,280.56/43,889.37 = 12,648.41/x
  3. Step 3: Cross multiply
    29,280.56x = 43,889.37 × 12,648.41
  4. Step 4: Simplify right side
    29,280.56x = 555,130,746.40
  5. Step 5: Solve for x
    x = 555,130,746.40/29,280.56
  6. Step 6: Final answer
    x = 18,959.02

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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.