Home / 40,838.37-61,261.79-11,256.21

Finding the Fourth Proportional to 40,838.37, 61,261.79 and 11,256.21

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Solution

The fourth proportional to 40,838.37, 61,261.79 and 11,256.21 is: 16,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,838.37 : 61,261.79 = 11,256.21 : x
  2. Step 2: Convert to fraction form
    40,838.37/61,261.79 = 11,256.21/x
  3. Step 3: Cross multiply
    40,838.37x = 61,261.79 × 11,256.21
  4. Step 4: Simplify right side
    40,838.37x = 689,575,573.22
  5. Step 5: Solve for x
    x = 689,575,573.22/40,838.37
  6. Step 6: Final answer
    x = 16,885.48

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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.