Home / 33,239.40-49,859.10-12,460.20

Finding the Fourth Proportional to 33,239.40, 49,859.10 and 12,460.20

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Solution

The fourth proportional to 33,239.40, 49,859.10 and 12,460.20 is: 18,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.40 : 49,859.10 = 12,460.20 : x
  2. Step 2: Convert to fraction form
    33,239.40/49,859.10 = 12,460.20/x
  3. Step 3: Cross multiply
    33,239.40x = 49,859.10 × 12,460.20
  4. Step 4: Simplify right side
    33,239.40x = 621,254,357.82
  5. Step 5: Solve for x
    x = 621,254,357.82/33,239.40
  6. Step 6: Final answer
    x = 18,690.30

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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.