Home / 48,228.96-72,308.88-21,920.16

Finding the Fourth Proportional to 48,228.96, 72,308.88 and 21,920.16

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Solution

The fourth proportional to 48,228.96, 72,308.88 and 21,920.16 is: 32,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,228.96 : 72,308.88 = 21,920.16 : x
  2. Step 2: Convert to fraction form
    48,228.96/72,308.88 = 21,920.16/x
  3. Step 3: Cross multiply
    48,228.96x = 72,308.88 × 21,920.16
  4. Step 4: Simplify right side
    48,228.96x = 1,585,022,219.02
  5. Step 5: Solve for x
    x = 1,585,022,219.02/48,228.96
  6. Step 6: Final answer
    x = 32,864.53

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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.