Home / 36,619.64-54,916.46-15,831.80

Finding the Fourth Proportional to 36,619.64, 54,916.46 and 15,831.80

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Solution

The fourth proportional to 36,619.64, 54,916.46 and 15,831.80 is: 23,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,619.64 : 54,916.46 = 15,831.80 : x
  2. Step 2: Convert to fraction form
    36,619.64/54,916.46 = 15,831.80/x
  3. Step 3: Cross multiply
    36,619.64x = 54,916.46 × 15,831.80
  4. Step 4: Simplify right side
    36,619.64x = 869,426,411.43
  5. Step 5: Solve for x
    x = 869,426,411.43/36,619.64
  6. Step 6: Final answer
    x = 23,742.08

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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.