Home / 66,222.04-91,383.90-36,007.40

Finding the Fourth Proportional to 66,222.04, 91,383.90 and 36,007.40

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Solution

The fourth proportional to 66,222.04, 91,383.90 and 36,007.40 is: 49,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.04 : 91,383.90 = 36,007.40 : x
  2. Step 2: Convert to fraction form
    66,222.04/91,383.90 = 36,007.40/x
  3. Step 3: Cross multiply
    66,222.04x = 91,383.90 × 36,007.40
  4. Step 4: Simplify right side
    66,222.04x = 3,290,496,640.86
  5. Step 5: Solve for x
    x = 3,290,496,640.86/66,222.04
  6. Step 6: Final answer
    x = 49,688.84

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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.