Home / 53,968.21-74,500.41-39,602.66

Finding the Fourth Proportional to 53,968.21, 74,500.41 and 39,602.66

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Solution

The fourth proportional to 53,968.21, 74,500.41 and 39,602.66 is: 54,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.21 : 74,500.41 = 39,602.66 : x
  2. Step 2: Convert to fraction form
    53,968.21/74,500.41 = 39,602.66/x
  3. Step 3: Cross multiply
    53,968.21x = 74,500.41 × 39,602.66
  4. Step 4: Simplify right side
    53,968.21x = 2,950,414,183.10
  5. Step 5: Solve for x
    x = 2,950,414,183.10/53,968.21
  6. Step 6: Final answer
    x = 54,669.49

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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.