Home / 66,006.81-91,088.28-37,326.02

Finding the Fourth Proportional to 66,006.81, 91,088.28 and 37,326.02

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Solution

The fourth proportional to 66,006.81, 91,088.28 and 37,326.02 is: 51,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.81 : 91,088.28 = 37,326.02 : x
  2. Step 2: Convert to fraction form
    66,006.81/91,088.28 = 37,326.02/x
  3. Step 3: Cross multiply
    66,006.81x = 91,088.28 × 37,326.02
  4. Step 4: Simplify right side
    66,006.81x = 3,399,962,505.60
  5. Step 5: Solve for x
    x = 3,399,962,505.60/66,006.81
  6. Step 6: Final answer
    x = 51,509.27

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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.