Home / 36,350.64-50,156.24-21,438

Finding the Fourth Proportional to 36,350.64, 50,156.24 and 21,438

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Solution

The fourth proportional to 36,350.64, 50,156.24 and 21,438 is: 29,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,350.64 : 50,156.24 = 21,438 : x
  2. Step 2: Convert to fraction form
    36,350.64/50,156.24 = 21,438/x
  3. Step 3: Cross multiply
    36,350.64x = 50,156.24 × 21,438
  4. Step 4: Simplify right side
    36,350.64x = 1,075,249,473.12
  5. Step 5: Solve for x
    x = 1,075,249,473.12/36,350.64
  6. Step 6: Final answer
    x = 29,579.93

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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.