Home / 39,453.24-54,444.63-21,548.32

Finding the Fourth Proportional to 39,453.24, 54,444.63 and 21,548.32

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Solution

The fourth proportional to 39,453.24, 54,444.63 and 21,548.32 is: 29,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.24 : 54,444.63 = 21,548.32 : x
  2. Step 2: Convert to fraction form
    39,453.24/54,444.63 = 21,548.32/x
  3. Step 3: Cross multiply
    39,453.24x = 54,444.63 × 21,548.32
  4. Step 4: Simplify right side
    39,453.24x = 1,173,189,929.56
  5. Step 5: Solve for x
    x = 1,173,189,929.56/39,453.24
  6. Step 6: Final answer
    x = 29,736.21

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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.