Home / 66,228.09-91,395.66-37,933.75

Finding the Fourth Proportional to 66,228.09, 91,395.66 and 37,933.75

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Solution

The fourth proportional to 66,228.09, 91,395.66 and 37,933.75 is: 52,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,228.09 : 91,395.66 = 37,933.75 : x
  2. Step 2: Convert to fraction form
    66,228.09/91,395.66 = 37,933.75/x
  3. Step 3: Cross multiply
    66,228.09x = 91,395.66 × 37,933.75
  4. Step 4: Simplify right side
    66,228.09x = 3,466,980,117.53
  5. Step 5: Solve for x
    x = 3,466,980,117.53/66,228.09
  6. Step 6: Final answer
    x = 52,349.09

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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.