Home / 74,637.72-111,956.22-30,264.30

Finding the Fourth Proportional to 74,637.72, 111,956.22 and 30,264.30

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Solution

The fourth proportional to 74,637.72, 111,956.22 and 30,264.30 is: 45,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,637.72 : 111,956.22 = 30,264.30 : x
  2. Step 2: Convert to fraction form
    74,637.72/111,956.22 = 30,264.30/x
  3. Step 3: Cross multiply
    74,637.72x = 111,956.22 × 30,264.30
  4. Step 4: Simplify right side
    74,637.72x = 3,388,276,628.95
  5. Step 5: Solve for x
    x = 3,388,276,628.95/74,637.72
  6. Step 6: Final answer
    x = 45,396.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.