Home / 40,114.37-60,171.36-10,128.66

Finding the Fourth Proportional to 40,114.37, 60,171.36 and 10,128.66

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Solution

The fourth proportional to 40,114.37, 60,171.36 and 10,128.66 is: 15,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,114.37 : 60,171.36 = 10,128.66 : x
  2. Step 2: Convert to fraction form
    40,114.37/60,171.36 = 10,128.66/x
  3. Step 3: Cross multiply
    40,114.37x = 60,171.36 × 10,128.66
  4. Step 4: Simplify right side
    40,114.37x = 609,455,247.18
  5. Step 5: Solve for x
    x = 609,455,247.18/40,114.37
  6. Step 6: Final answer
    x = 15,192.94

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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.