Home / 56,173.62-84,232.14-18,720.54

Finding the Fourth Proportional to 56,173.62, 84,232.14 and 18,720.54

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Solution

The fourth proportional to 56,173.62, 84,232.14 and 18,720.54 is: 28,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,173.62 : 84,232.14 = 18,720.54 : x
  2. Step 2: Convert to fraction form
    56,173.62/84,232.14 = 18,720.54/x
  3. Step 3: Cross multiply
    56,173.62x = 84,232.14 × 18,720.54
  4. Step 4: Simplify right side
    56,173.62x = 1,576,871,146.16
  5. Step 5: Solve for x
    x = 1,576,871,146.16/56,173.62
  6. Step 6: Final answer
    x = 28,071.38

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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.