Home / 56,162.30-84,237.66-18,718.31

Finding the Fourth Proportional to 56,162.30, 84,237.66 and 18,718.31

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Solution

The fourth proportional to 56,162.30, 84,237.66 and 18,718.31 is: 28,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162.30 : 84,237.66 = 18,718.31 : x
  2. Step 2: Convert to fraction form
    56,162.30/84,237.66 = 18,718.31/x
  3. Step 3: Cross multiply
    56,162.30x = 84,237.66 × 18,718.31
  4. Step 4: Simplify right side
    56,162.30x = 1,576,786,844.15
  5. Step 5: Solve for x
    x = 1,576,786,844.15/56,162.30
  6. Step 6: Final answer
    x = 28,075.54

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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.