Home / 56,119.05-84,114.99-18,670.32

Finding the Fourth Proportional to 56,119.05, 84,114.99 and 18,670.32

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Solution

The fourth proportional to 56,119.05, 84,114.99 and 18,670.32 is: 27,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.05 : 84,114.99 = 18,670.32 : x
  2. Step 2: Convert to fraction form
    56,119.05/84,114.99 = 18,670.32/x
  3. Step 3: Cross multiply
    56,119.05x = 84,114.99 × 18,670.32
  4. Step 4: Simplify right side
    56,119.05x = 1,570,453,780.10
  5. Step 5: Solve for x
    x = 1,570,453,780.10/56,119.05
  6. Step 6: Final answer
    x = 27,984.33

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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.