Home / 53,850.34-74,212.43-38,716.77

Finding the Fourth Proportional to 53,850.34, 74,212.43 and 38,716.77

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Solution

The fourth proportional to 53,850.34, 74,212.43 and 38,716.77 is: 53,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,850.34 : 74,212.43 = 38,716.77 : x
  2. Step 2: Convert to fraction form
    53,850.34/74,212.43 = 38,716.77/x
  3. Step 3: Cross multiply
    53,850.34x = 74,212.43 × 38,716.77
  4. Step 4: Simplify right side
    53,850.34x = 2,873,265,583.45
  5. Step 5: Solve for x
    x = 2,873,265,583.45/53,850.34
  6. Step 6: Final answer
    x = 53,356.50

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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.