Home / 66,441.44-91,637.28-42,570.44

Finding the Fourth Proportional to 66,441.44, 91,637.28 and 42,570.44

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Solution

The fourth proportional to 66,441.44, 91,637.28 and 42,570.44 is: 58,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.44 : 91,637.28 = 42,570.44 : x
  2. Step 2: Convert to fraction form
    66,441.44/91,637.28 = 42,570.44/x
  3. Step 3: Cross multiply
    66,441.44x = 91,637.28 × 42,570.44
  4. Step 4: Simplify right side
    66,441.44x = 3,901,039,330.00
  5. Step 5: Solve for x
    x = 3,901,039,330.00/66,441.44
  6. Step 6: Final answer
    x = 58,713.95

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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.