Home / 39,089.44-53,942.81-21,184.28

Finding the Fourth Proportional to 39,089.44, 53,942.81 and 21,184.28

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Solution

The fourth proportional to 39,089.44, 53,942.81 and 21,184.28 is: 29,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.44 : 53,942.81 = 21,184.28 : x
  2. Step 2: Convert to fraction form
    39,089.44/53,942.81 = 21,184.28/x
  3. Step 3: Cross multiply
    39,089.44x = 53,942.81 × 21,184.28
  4. Step 4: Simplify right side
    39,089.44x = 1,142,739,840.27
  5. Step 5: Solve for x
    x = 1,142,739,840.27/39,089.44
  6. Step 6: Final answer
    x = 29,233.98

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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.