Home / 66,155.24-91,294.36-35,940.30

Finding the Fourth Proportional to 66,155.24, 91,294.36 and 35,940.30

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Solution

The fourth proportional to 66,155.24, 91,294.36 and 35,940.30 is: 49,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,155.24 : 91,294.36 = 35,940.30 : x
  2. Step 2: Convert to fraction form
    66,155.24/91,294.36 = 35,940.30/x
  3. Step 3: Cross multiply
    66,155.24x = 91,294.36 × 35,940.30
  4. Step 4: Simplify right side
    66,155.24x = 3,281,146,686.71
  5. Step 5: Solve for x
    x = 3,281,146,686.71/66,155.24
  6. Step 6: Final answer
    x = 49,597.68

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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.