Home / 36,943.56-55,431.72-19,409.40

Finding the Fourth Proportional to 36,943.56, 55,431.72 and 19,409.40

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Solution

The fourth proportional to 36,943.56, 55,431.72 and 19,409.40 is: 29,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,943.56 : 55,431.72 = 19,409.40 : x
  2. Step 2: Convert to fraction form
    36,943.56/55,431.72 = 19,409.40/x
  3. Step 3: Cross multiply
    36,943.56x = 55,431.72 × 19,409.40
  4. Step 4: Simplify right side
    36,943.56x = 1,075,896,426.17
  5. Step 5: Solve for x
    x = 1,075,896,426.17/36,943.56
  6. Step 6: Final answer
    x = 29,122.71

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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.