Home / 40,840.37-61,264.79-11,258.21

Finding the Fourth Proportional to 40,840.37, 61,264.79 and 11,258.21

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Solution

The fourth proportional to 40,840.37, 61,264.79 and 11,258.21 is: 16,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.37 : 61,264.79 = 11,258.21 : x
  2. Step 2: Convert to fraction form
    40,840.37/61,264.79 = 11,258.21/x
  3. Step 3: Cross multiply
    40,840.37x = 61,264.79 × 11,258.21
  4. Step 4: Simplify right side
    40,840.37x = 689,731,871.43
  5. Step 5: Solve for x
    x = 689,731,871.43/40,840.37
  6. Step 6: Final answer
    x = 16,888.48

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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.