Home / 40,889.02-61,340.44-12,803.54

Finding the Fourth Proportional to 40,889.02, 61,340.44 and 12,803.54

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Solution

The fourth proportional to 40,889.02, 61,340.44 and 12,803.54 is: 19,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,889.02 : 61,340.44 = 12,803.54 : x
  2. Step 2: Convert to fraction form
    40,889.02/61,340.44 = 12,803.54/x
  3. Step 3: Cross multiply
    40,889.02x = 61,340.44 × 12,803.54
  4. Step 4: Simplify right side
    40,889.02x = 785,374,462.45
  5. Step 5: Solve for x
    x = 785,374,462.45/40,889.02
  6. Step 6: Final answer
    x = 19,207.47

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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.