Home / 66,331.50-99,496.63-26,879.23

Finding the Fourth Proportional to 66,331.50, 99,496.63 and 26,879.23

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Solution

The fourth proportional to 66,331.50, 99,496.63 and 26,879.23 is: 40,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.50 : 99,496.63 = 26,879.23 : x
  2. Step 2: Convert to fraction form
    66,331.50/99,496.63 = 26,879.23/x
  3. Step 3: Cross multiply
    66,331.50x = 99,496.63 × 26,879.23
  4. Step 4: Simplify right side
    66,331.50x = 2,674,392,801.99
  5. Step 5: Solve for x
    x = 2,674,392,801.99/66,331.50
  6. Step 6: Final answer
    x = 40,318.59

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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.