Home / 66,637.14-91,960.56-36,421.62

Finding the Fourth Proportional to 66,637.14, 91,960.56 and 36,421.62

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Solution

The fourth proportional to 66,637.14, 91,960.56 and 36,421.62 is: 50,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.14 : 91,960.56 = 36,421.62 : x
  2. Step 2: Convert to fraction form
    66,637.14/91,960.56 = 36,421.62/x
  3. Step 3: Cross multiply
    66,637.14x = 91,960.56 × 36,421.62
  4. Step 4: Simplify right side
    66,637.14x = 3,349,352,571.31
  5. Step 5: Solve for x
    x = 3,349,352,571.31/66,637.14
  6. Step 6: Final answer
    x = 50,262.55

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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.