Home / 39,802.80-54,926.73-21,652.95

Finding the Fourth Proportional to 39,802.80, 54,926.73 and 21,652.95

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Solution

The fourth proportional to 39,802.80, 54,926.73 and 21,652.95 is: 29,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.80 : 54,926.73 = 21,652.95 : x
  2. Step 2: Convert to fraction form
    39,802.80/54,926.73 = 21,652.95/x
  3. Step 3: Cross multiply
    39,802.80x = 54,926.73 × 21,652.95
  4. Step 4: Simplify right side
    39,802.80x = 1,189,325,738.35
  5. Step 5: Solve for x
    x = 1,189,325,738.35/39,802.80
  6. Step 6: Final answer
    x = 29,880.45

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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.