Home / 36,139.37-54,225.45-21,377.12

Finding the Fourth Proportional to 36,139.37, 54,225.45 and 21,377.12

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Solution

The fourth proportional to 36,139.37, 54,225.45 and 21,377.12 is: 32,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.37 : 54,225.45 = 21,377.12 : x
  2. Step 2: Convert to fraction form
    36,139.37/54,225.45 = 21,377.12/x
  3. Step 3: Cross multiply
    36,139.37x = 54,225.45 × 21,377.12
  4. Step 4: Simplify right side
    36,139.37x = 1,159,183,680.58
  5. Step 5: Solve for x
    x = 1,159,183,680.58/36,139.37
  6. Step 6: Final answer
    x = 32,075.37

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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.