Home / 37,878.08-52,268.64-21,957.44

Finding the Fourth Proportional to 37,878.08, 52,268.64 and 21,957.44

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Solution

The fourth proportional to 37,878.08, 52,268.64 and 21,957.44 is: 30,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.08 : 52,268.64 = 21,957.44 : x
  2. Step 2: Convert to fraction form
    37,878.08/52,268.64 = 21,957.44/x
  3. Step 3: Cross multiply
    37,878.08x = 52,268.64 × 21,957.44
  4. Step 4: Simplify right side
    37,878.08x = 1,147,685,526.68
  5. Step 5: Solve for x
    x = 1,147,685,526.68/37,878.08
  6. Step 6: Final answer
    x = 30,299.46

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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.