Home / 38,723.04-53,437.32-21,954.96

Finding the Fourth Proportional to 38,723.04, 53,437.32 and 21,954.96

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Solution

The fourth proportional to 38,723.04, 53,437.32 and 21,954.96 is: 30,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.04 : 53,437.32 = 21,954.96 : x
  2. Step 2: Convert to fraction form
    38,723.04/53,437.32 = 21,954.96/x
  3. Step 3: Cross multiply
    38,723.04x = 53,437.32 × 21,954.96
  4. Step 4: Simplify right side
    38,723.04x = 1,173,214,223.11
  5. Step 5: Solve for x
    x = 1,173,214,223.11/38,723.04
  6. Step 6: Final answer
    x = 30,297.58

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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.