Home / 54,857.44-75,703.32-30,984.16

Finding the Fourth Proportional to 54,857.44, 75,703.32 and 30,984.16

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Solution

The fourth proportional to 54,857.44, 75,703.32 and 30,984.16 is: 42,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.44 : 75,703.32 = 30,984.16 : x
  2. Step 2: Convert to fraction form
    54,857.44/75,703.32 = 30,984.16/x
  3. Step 3: Cross multiply
    54,857.44x = 75,703.32 × 30,984.16
  4. Step 4: Simplify right side
    54,857.44x = 2,345,603,779.41
  5. Step 5: Solve for x
    x = 2,345,603,779.41/54,857.44
  6. Step 6: Final answer
    x = 42,758.17

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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.