Home / 48,877.63-67,447.09-28,735.36

Finding the Fourth Proportional to 48,877.63, 67,447.09 and 28,735.36

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Solution

The fourth proportional to 48,877.63, 67,447.09 and 28,735.36 is: 39,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,877.63 : 67,447.09 = 28,735.36 : x
  2. Step 2: Convert to fraction form
    48,877.63/67,447.09 = 28,735.36/x
  3. Step 3: Cross multiply
    48,877.63x = 67,447.09 × 28,735.36
  4. Step 4: Simplify right side
    48,877.63x = 1,938,116,412.10
  5. Step 5: Solve for x
    x = 1,938,116,412.10/48,877.63
  6. Step 6: Final answer
    x = 39,652.42

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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.