Home / 54,669.42-82,015.64-30,988.32

Finding the Fourth Proportional to 54,669.42, 82,015.64 and 30,988.32

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Solution

The fourth proportional to 54,669.42, 82,015.64 and 30,988.32 is: 46,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.42 : 82,015.64 = 30,988.32 : x
  2. Step 2: Convert to fraction form
    54,669.42/82,015.64 = 30,988.32/x
  3. Step 3: Cross multiply
    54,669.42x = 82,015.64 × 30,988.32
  4. Step 4: Simplify right side
    54,669.42x = 2,541,526,897.32
  5. Step 5: Solve for x
    x = 2,541,526,897.32/54,669.42
  6. Step 6: Final answer
    x = 46,489.00

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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.