Home / 38,335.89-57,513.60-14,643.39

Finding the Fourth Proportional to 38,335.89, 57,513.60 and 14,643.39

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Solution

The fourth proportional to 38,335.89, 57,513.60 and 14,643.39 is: 21,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.89 : 57,513.60 = 14,643.39 : x
  2. Step 2: Convert to fraction form
    38,335.89/57,513.60 = 14,643.39/x
  3. Step 3: Cross multiply
    38,335.89x = 57,513.60 × 14,643.39
  4. Step 4: Simplify right side
    38,335.89x = 842,194,075.10
  5. Step 5: Solve for x
    x = 842,194,075.10/38,335.89
  6. Step 6: Final answer
    x = 21,968.81

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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.