Home / 66,705.12-92,058.32-38,033.75

Finding the Fourth Proportional to 66,705.12, 92,058.32 and 38,033.75

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Solution

The fourth proportional to 66,705.12, 92,058.32 and 38,033.75 is: 52,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,705.12 : 92,058.32 = 38,033.75 : x
  2. Step 2: Convert to fraction form
    66,705.12/92,058.32 = 38,033.75/x
  3. Step 3: Cross multiply
    66,705.12x = 92,058.32 × 38,033.75
  4. Step 4: Simplify right side
    66,705.12x = 3,501,323,453.53
  5. Step 5: Solve for x
    x = 3,501,323,453.53/66,705.12
  6. Step 6: Final answer
    x = 52,489.58

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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.