Home / 56,010.18-84,016.90-20,943.12

Finding the Fourth Proportional to 56,010.18, 84,016.90 and 20,943.12

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Solution

The fourth proportional to 56,010.18, 84,016.90 and 20,943.12 is: 31,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,010.18 : 84,016.90 = 20,943.12 : x
  2. Step 2: Convert to fraction form
    56,010.18/84,016.90 = 20,943.12/x
  3. Step 3: Cross multiply
    56,010.18x = 84,016.90 × 20,943.12
  4. Step 4: Simplify right side
    56,010.18x = 1,759,576,018.73
  5. Step 5: Solve for x
    x = 1,759,576,018.73/56,010.18
  6. Step 6: Final answer
    x = 31,415.29

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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.