Home / 74,415.21-111,638.19-24,498.30

Finding the Fourth Proportional to 74,415.21, 111,638.19 and 24,498.30

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Solution

The fourth proportional to 74,415.21, 111,638.19 and 24,498.30 is: 36,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415.21 : 111,638.19 = 24,498.30 : x
  2. Step 2: Convert to fraction form
    74,415.21/111,638.19 = 24,498.30/x
  3. Step 3: Cross multiply
    74,415.21x = 111,638.19 × 24,498.30
  4. Step 4: Simplify right side
    74,415.21x = 2,734,945,870.08
  5. Step 5: Solve for x
    x = 2,734,945,870.08/74,415.21
  6. Step 6: Final answer
    x = 36,752.51

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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.