Home / 40,090.27-60,135.67-10,507.85

Finding the Fourth Proportional to 40,090.27, 60,135.67 and 10,507.85

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Solution

The fourth proportional to 40,090.27, 60,135.67 and 10,507.85 is: 15,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.27 : 60,135.67 = 10,507.85 : x
  2. Step 2: Convert to fraction form
    40,090.27/60,135.67 = 10,507.85/x
  3. Step 3: Cross multiply
    40,090.27x = 60,135.67 × 10,507.85
  4. Step 4: Simplify right side
    40,090.27x = 631,896,648.00
  5. Step 5: Solve for x
    x = 631,896,648.00/40,090.27
  6. Step 6: Final answer
    x = 15,761.84

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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.