Home / 39,334.44-54,282.78-21,430.02

Finding the Fourth Proportional to 39,334.44, 54,282.78 and 21,430.02

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Solution

The fourth proportional to 39,334.44, 54,282.78 and 21,430.02 is: 29,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,334.44 : 54,282.78 = 21,430.02 : x
  2. Step 2: Convert to fraction form
    39,334.44/54,282.78 = 21,430.02/x
  3. Step 3: Cross multiply
    39,334.44x = 54,282.78 × 21,430.02
  4. Step 4: Simplify right side
    39,334.44x = 1,163,281,061.06
  5. Step 5: Solve for x
    x = 1,163,281,061.06/39,334.44
  6. Step 6: Final answer
    x = 29,574.11

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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.