Home / 53,912.83-74,398.72-30,038.99

Finding the Fourth Proportional to 53,912.83, 74,398.72 and 30,038.99

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Solution

The fourth proportional to 53,912.83, 74,398.72 and 30,038.99 is: 41,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.83 : 74,398.72 = 30,038.99 : x
  2. Step 2: Convert to fraction form
    53,912.83/74,398.72 = 30,038.99/x
  3. Step 3: Cross multiply
    53,912.83x = 74,398.72 × 30,038.99
  4. Step 4: Simplify right side
    53,912.83x = 2,234,862,255.90
  5. Step 5: Solve for x
    x = 2,234,862,255.90/53,912.83
  6. Step 6: Final answer
    x = 41,453.25

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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.