Home / 66,455.07-91,707.73-36,240.32

Finding the Fourth Proportional to 66,455.07, 91,707.73 and 36,240.32

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Solution

The fourth proportional to 66,455.07, 91,707.73 and 36,240.32 is: 50,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455.07 : 91,707.73 = 36,240.32 : x
  2. Step 2: Convert to fraction form
    66,455.07/91,707.73 = 36,240.32/x
  3. Step 3: Cross multiply
    66,455.07x = 91,707.73 × 36,240.32
  4. Step 4: Simplify right side
    66,455.07x = 3,323,516,932.53
  5. Step 5: Solve for x
    x = 3,323,516,932.53/66,455.07
  6. Step 6: Final answer
    x = 50,011.49

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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.