Home / 32,577.36-48,788.90-20,688.60

Finding the Fourth Proportional to 32,577.36, 48,788.90 and 20,688.60

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Solution

The fourth proportional to 32,577.36, 48,788.90 and 20,688.60 is: 30,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,577.36 : 48,788.90 = 20,688.60 : x
  2. Step 2: Convert to fraction form
    32,577.36/48,788.90 = 20,688.60/x
  3. Step 3: Cross multiply
    32,577.36x = 48,788.90 × 20,688.60
  4. Step 4: Simplify right side
    32,577.36x = 1,009,374,036.54
  5. Step 5: Solve for x
    x = 1,009,374,036.54/32,577.36
  6. Step 6: Final answer
    x = 30,983.91

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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.