Home / 39,477.41-54,476.53-21,572.56

Finding the Fourth Proportional to 39,477.41, 54,476.53 and 21,572.56

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Solution

The fourth proportional to 39,477.41, 54,476.53 and 21,572.56 is: 29,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.41 : 54,476.53 = 21,572.56 : x
  2. Step 2: Convert to fraction form
    39,477.41/54,476.53 = 21,572.56/x
  3. Step 3: Cross multiply
    39,477.41x = 54,476.53 × 21,572.56
  4. Step 4: Simplify right side
    39,477.41x = 1,175,197,939.63
  5. Step 5: Solve for x
    x = 1,175,197,939.63/39,477.41
  6. Step 6: Final answer
    x = 29,768.88

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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.