Home / 35,788.49-53,689.02-13,603.80

Finding the Fourth Proportional to 35,788.49, 53,689.02 and 13,603.80

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Solution

The fourth proportional to 35,788.49, 53,689.02 and 13,603.80 is: 20,408.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,788.49 : 53,689.02 = 13,603.80 : x
  2. Step 2: Convert to fraction form
    35,788.49/53,689.02 = 13,603.80/x
  3. Step 3: Cross multiply
    35,788.49x = 53,689.02 × 13,603.80
  4. Step 4: Simplify right side
    35,788.49x = 730,374,690.28
  5. Step 5: Solve for x
    x = 730,374,690.28/35,788.49
  6. Step 6: Final answer
    x = 20,408.09

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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.