Home / 32,081.76-48,130.86-13,355.58

Finding the Fourth Proportional to 32,081.76, 48,130.86 and 13,355.58

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Solution

The fourth proportional to 32,081.76, 48,130.86 and 13,355.58 is: 20,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,081.76 : 48,130.86 = 13,355.58 : x
  2. Step 2: Convert to fraction form
    32,081.76/48,130.86 = 13,355.58/x
  3. Step 3: Cross multiply
    32,081.76x = 48,130.86 × 13,355.58
  4. Step 4: Simplify right side
    32,081.76x = 642,815,551.20
  5. Step 5: Solve for x
    x = 642,815,551.20/32,081.76
  6. Step 6: Final answer
    x = 20,036.79

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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.