Home / 39,168.62-54,051.20-21,263.24

Finding the Fourth Proportional to 39,168.62, 54,051.20 and 21,263.24

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Solution

The fourth proportional to 39,168.62, 54,051.20 and 21,263.24 is: 29,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,168.62 : 54,051.20 = 21,263.24 : x
  2. Step 2: Convert to fraction form
    39,168.62/54,051.20 = 21,263.24/x
  3. Step 3: Cross multiply
    39,168.62x = 54,051.20 × 21,263.24
  4. Step 4: Simplify right side
    39,168.62x = 1,149,303,637.89
  5. Step 5: Solve for x
    x = 1,149,303,637.89/39,168.62
  6. Step 6: Final answer
    x = 29,342.46

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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.