Home / 38,211.89-57,321.47-14,840.15

Finding the Fourth Proportional to 38,211.89, 57,321.47 and 14,840.15

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Solution

The fourth proportional to 38,211.89, 57,321.47 and 14,840.15 is: 22,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.89 : 57,321.47 = 14,840.15 : x
  2. Step 2: Convert to fraction form
    38,211.89/57,321.47 = 14,840.15/x
  3. Step 3: Cross multiply
    38,211.89x = 57,321.47 × 14,840.15
  4. Step 4: Simplify right side
    38,211.89x = 850,658,963.51
  5. Step 5: Solve for x
    x = 850,658,963.51/38,211.89
  6. Step 6: Final answer
    x = 22,261.63

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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.