Home / 36,605.47-50,477.83-31,317.79

Finding the Fourth Proportional to 36,605.47, 50,477.83 and 31,317.79

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Solution

The fourth proportional to 36,605.47, 50,477.83 and 31,317.79 is: 43,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,605.47 : 50,477.83 = 31,317.79 : x
  2. Step 2: Convert to fraction form
    36,605.47/50,477.83 = 31,317.79/x
  3. Step 3: Cross multiply
    36,605.47x = 50,477.83 × 31,317.79
  4. Step 4: Simplify right side
    36,605.47x = 1,580,854,079.60
  5. Step 5: Solve for x
    x = 1,580,854,079.60/36,605.47
  6. Step 6: Final answer
    x = 43,186.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.