Home / 30,277.20-41,783.50-18,943.06

Finding the Fourth Proportional to 30,277.20, 41,783.50 and 18,943.06

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Solution

The fourth proportional to 30,277.20, 41,783.50 and 18,943.06 is: 26,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.20 : 41,783.50 = 18,943.06 : x
  2. Step 2: Convert to fraction form
    30,277.20/41,783.50 = 18,943.06/x
  3. Step 3: Cross multiply
    30,277.20x = 41,783.50 × 18,943.06
  4. Step 4: Simplify right side
    30,277.20x = 791,507,347.51
  5. Step 5: Solve for x
    x = 791,507,347.51/30,277.20
  6. Step 6: Final answer
    x = 26,142.03

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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.