Home / 52,814.08-72,884.16-28,940.32

Finding the Fourth Proportional to 52,814.08, 72,884.16 and 28,940.32

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Solution

The fourth proportional to 52,814.08, 72,884.16 and 28,940.32 is: 39,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,814.08 : 72,884.16 = 28,940.32 : x
  2. Step 2: Convert to fraction form
    52,814.08/72,884.16 = 28,940.32/x
  3. Step 3: Cross multiply
    52,814.08x = 72,884.16 × 28,940.32
  4. Step 4: Simplify right side
    52,814.08x = 2,109,290,913.33
  5. Step 5: Solve for x
    x = 2,109,290,913.33/52,814.08
  6. Step 6: Final answer
    x = 39,938.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.