Home / 66,300.31-91,491.62-36,085.69

Finding the Fourth Proportional to 66,300.31, 91,491.62 and 36,085.69

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Solution

The fourth proportional to 66,300.31, 91,491.62 and 36,085.69 is: 49,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,300.31 : 91,491.62 = 36,085.69 : x
  2. Step 2: Convert to fraction form
    66,300.31/91,491.62 = 36,085.69/x
  3. Step 3: Cross multiply
    66,300.31x = 91,491.62 × 36,085.69
  4. Step 4: Simplify right side
    66,300.31x = 3,301,538,098.40
  5. Step 5: Solve for x
    x = 3,301,538,098.40/66,300.31
  6. Step 6: Final answer
    x = 49,796.72

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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.