Home / 66,669.21-92,026.68-38,386.17

Finding the Fourth Proportional to 66,669.21, 92,026.68 and 38,386.17

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Solution

The fourth proportional to 66,669.21, 92,026.68 and 38,386.17 is: 52,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,669.21 : 92,026.68 = 38,386.17 : x
  2. Step 2: Convert to fraction form
    66,669.21/92,026.68 = 38,386.17/x
  3. Step 3: Cross multiply
    66,669.21x = 92,026.68 × 38,386.17
  4. Step 4: Simplify right side
    66,669.21x = 3,532,551,783.02
  5. Step 5: Solve for x
    x = 3,532,551,783.02/66,669.21
  6. Step 6: Final answer
    x = 52,986.26

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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.