Home / 47,268.48-70,902.72-12,210.96

Finding the Fourth Proportional to 47,268.48, 70,902.72 and 12,210.96

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Solution

The fourth proportional to 47,268.48, 70,902.72 and 12,210.96 is: 18,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,268.48 : 70,902.72 = 12,210.96 : x
  2. Step 2: Convert to fraction form
    47,268.48/70,902.72 = 12,210.96/x
  3. Step 3: Cross multiply
    47,268.48x = 70,902.72 × 12,210.96
  4. Step 4: Simplify right side
    47,268.48x = 865,790,277.81
  5. Step 5: Solve for x
    x = 865,790,277.81/47,268.48
  6. Step 6: Final answer
    x = 18,316.44

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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.