Home / 50,038.32-75,045.69-18,431.22

Finding the Fourth Proportional to 50,038.32, 75,045.69 and 18,431.22

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Solution

The fourth proportional to 50,038.32, 75,045.69 and 18,431.22 is: 27,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,038.32 : 75,045.69 = 18,431.22 : x
  2. Step 2: Convert to fraction form
    50,038.32/75,045.69 = 18,431.22/x
  3. Step 3: Cross multiply
    50,038.32x = 75,045.69 × 18,431.22
  4. Step 4: Simplify right side
    50,038.32x = 1,383,183,376.20
  5. Step 5: Solve for x
    x = 1,383,183,376.20/50,038.32
  6. Step 6: Final answer
    x = 27,642.48

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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.