Home / 39,474.52-54,478.62-21,572.24

Finding the Fourth Proportional to 39,474.52, 54,478.62 and 21,572.24

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Solution

The fourth proportional to 39,474.52, 54,478.62 and 21,572.24 is: 29,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.52 : 54,478.62 = 21,572.24 : x
  2. Step 2: Convert to fraction form
    39,474.52/54,478.62 = 21,572.24/x
  3. Step 3: Cross multiply
    39,474.52x = 54,478.62 × 21,572.24
  4. Step 4: Simplify right side
    39,474.52x = 1,175,225,865.51
  5. Step 5: Solve for x
    x = 1,175,225,865.51/39,474.52
  6. Step 6: Final answer
    x = 29,771.76

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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.