Home / 39,900.46-55,085.13-26,490.05

Finding the Fourth Proportional to 39,900.46, 55,085.13 and 26,490.05

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Solution

The fourth proportional to 39,900.46, 55,085.13 and 26,490.05 is: 36,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.46 : 55,085.13 = 26,490.05 : x
  2. Step 2: Convert to fraction form
    39,900.46/55,085.13 = 26,490.05/x
  3. Step 3: Cross multiply
    39,900.46x = 55,085.13 × 26,490.05
  4. Step 4: Simplify right side
    39,900.46x = 1,459,207,847.96
  5. Step 5: Solve for x
    x = 1,459,207,847.96/39,900.46
  6. Step 6: Final answer
    x = 36,571.20

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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.