Home / 33,239.12-49,848.80-12,457.76

Finding the Fourth Proportional to 33,239.12, 49,848.80 and 12,457.76

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Solution

The fourth proportional to 33,239.12, 49,848.80 and 12,457.76 is: 18,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.12 : 49,848.80 = 12,457.76 : x
  2. Step 2: Convert to fraction form
    33,239.12/49,848.80 = 12,457.76/x
  3. Step 3: Cross multiply
    33,239.12x = 49,848.80 × 12,457.76
  4. Step 4: Simplify right side
    33,239.12x = 621,004,386.69
  5. Step 5: Solve for x
    x = 621,004,386.69/33,239.12
  6. Step 6: Final answer
    x = 18,682.94

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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.