Home / 49,520.48-74,303.40-21,449.12

Finding the Fourth Proportional to 49,520.48, 74,303.40 and 21,449.12

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Solution

The fourth proportional to 49,520.48, 74,303.40 and 21,449.12 is: 32,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.48 : 74,303.40 = 21,449.12 : x
  2. Step 2: Convert to fraction form
    49,520.48/74,303.40 = 21,449.12/x
  3. Step 3: Cross multiply
    49,520.48x = 74,303.40 × 21,449.12
  4. Step 4: Simplify right side
    49,520.48x = 1,593,742,543.01
  5. Step 5: Solve for x
    x = 1,593,742,543.01/49,520.48
  6. Step 6: Final answer
    x = 32,183.50

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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.