Home / 66,427.04-91,669.28-36,619.04

Finding the Fourth Proportional to 66,427.04, 91,669.28 and 36,619.04

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Solution

The fourth proportional to 66,427.04, 91,669.28 and 36,619.04 is: 50,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.04 : 91,669.28 = 36,619.04 : x
  2. Step 2: Convert to fraction form
    66,427.04/91,669.28 = 36,619.04/x
  3. Step 3: Cross multiply
    66,427.04x = 91,669.28 × 36,619.04
  4. Step 4: Simplify right side
    66,427.04x = 3,356,841,031.09
  5. Step 5: Solve for x
    x = 3,356,841,031.09/66,427.04
  6. Step 6: Final answer
    x = 50,534.26

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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.