Home / 66,647.21-99,970.76-26,684.17

Finding the Fourth Proportional to 66,647.21, 99,970.76 and 26,684.17

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Solution

The fourth proportional to 66,647.21, 99,970.76 and 26,684.17 is: 40,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,647.21 : 99,970.76 = 26,684.17 : x
  2. Step 2: Convert to fraction form
    66,647.21/99,970.76 = 26,684.17/x
  3. Step 3: Cross multiply
    66,647.21x = 99,970.76 × 26,684.17
  4. Step 4: Simplify right side
    66,647.21x = 2,667,636,571.65
  5. Step 5: Solve for x
    x = 2,667,636,571.65/66,647.21
  6. Step 6: Final answer
    x = 40,026.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.