Home / 39,202.40-54,097.26-21,297.35

Finding the Fourth Proportional to 39,202.40, 54,097.26 and 21,297.35

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Solution

The fourth proportional to 39,202.40, 54,097.26 and 21,297.35 is: 29,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.40 : 54,097.26 = 21,297.35 : x
  2. Step 2: Convert to fraction form
    39,202.40/54,097.26 = 21,297.35/x
  3. Step 3: Cross multiply
    39,202.40x = 54,097.26 × 21,297.35
  4. Step 4: Simplify right side
    39,202.40x = 1,152,128,009.77
  5. Step 5: Solve for x
    x = 1,152,128,009.77/39,202.40
  6. Step 6: Final answer
    x = 29,389.23

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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.