Home / 56,122.06-84,119.48-18,673.32

Finding the Fourth Proportional to 56,122.06, 84,119.48 and 18,673.32

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Solution

The fourth proportional to 56,122.06, 84,119.48 and 18,673.32 is: 27,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.06 : 84,119.48 = 18,673.32 : x
  2. Step 2: Convert to fraction form
    56,122.06/84,119.48 = 18,673.32/x
  3. Step 3: Cross multiply
    56,122.06x = 84,119.48 × 18,673.32
  4. Step 4: Simplify right side
    56,122.06x = 1,570,789,968.27
  5. Step 5: Solve for x
    x = 1,570,789,968.27/56,122.06
  6. Step 6: Final answer
    x = 27,988.82

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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.