Home / 36,135.16-49,866.59-20,219.63

Finding the Fourth Proportional to 36,135.16, 49,866.59 and 20,219.63

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Solution

The fourth proportional to 36,135.16, 49,866.59 and 20,219.63 is: 27,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.16 : 49,866.59 = 20,219.63 : x
  2. Step 2: Convert to fraction form
    36,135.16/49,866.59 = 20,219.63/x
  3. Step 3: Cross multiply
    36,135.16x = 49,866.59 × 20,219.63
  4. Step 4: Simplify right side
    36,135.16x = 1,008,283,686.64
  5. Step 5: Solve for x
    x = 1,008,283,686.64/36,135.16
  6. Step 6: Final answer
    x = 27,903.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.