Home / 31,905.26-44,038.94-18,479.81

Finding the Fourth Proportional to 31,905.26, 44,038.94 and 18,479.81

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Solution

The fourth proportional to 31,905.26, 44,038.94 and 18,479.81 is: 25,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.26 : 44,038.94 = 18,479.81 : x
  2. Step 2: Convert to fraction form
    31,905.26/44,038.94 = 18,479.81/x
  3. Step 3: Cross multiply
    31,905.26x = 44,038.94 × 18,479.81
  4. Step 4: Simplify right side
    31,905.26x = 813,830,931.21
  5. Step 5: Solve for x
    x = 813,830,931.21/31,905.26
  6. Step 6: Final answer
    x = 25,507.74

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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.