Home / 35,464.40-53,196.60-21,640.40

Finding the Fourth Proportional to 35,464.40, 53,196.60 and 21,640.40

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Solution

The fourth proportional to 35,464.40, 53,196.60 and 21,640.40 is: 32,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.40 : 53,196.60 = 21,640.40 : x
  2. Step 2: Convert to fraction form
    35,464.40/53,196.60 = 21,640.40/x
  3. Step 3: Cross multiply
    35,464.40x = 53,196.60 × 21,640.40
  4. Step 4: Simplify right side
    35,464.40x = 1,151,195,702.64
  5. Step 5: Solve for x
    x = 1,151,195,702.64/35,464.40
  6. Step 6: Final answer
    x = 32,460.60

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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.