Home / 66,501.84-91,774.75-36,288.82

Finding the Fourth Proportional to 66,501.84, 91,774.75 and 36,288.82

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Solution

The fourth proportional to 66,501.84, 91,774.75 and 36,288.82 is: 50,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,501.84 : 91,774.75 = 36,288.82 : x
  2. Step 2: Convert to fraction form
    66,501.84/91,774.75 = 36,288.82/x
  3. Step 3: Cross multiply
    66,501.84x = 91,774.75 × 36,288.82
  4. Step 4: Simplify right side
    66,501.84x = 3,330,397,159.42
  5. Step 5: Solve for x
    x = 3,330,397,159.42/66,501.84
  6. Step 6: Final answer
    x = 50,079.78

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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.