Home / 33,379.90-46,062.48-18,271.78

Finding the Fourth Proportional to 33,379.90, 46,062.48 and 18,271.78

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Solution

The fourth proportional to 33,379.90, 46,062.48 and 18,271.78 is: 25,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,379.90 : 46,062.48 = 18,271.78 : x
  2. Step 2: Convert to fraction form
    33,379.90/46,062.48 = 18,271.78/x
  3. Step 3: Cross multiply
    33,379.90x = 46,062.48 × 18,271.78
  4. Step 4: Simplify right side
    33,379.90x = 841,643,500.81
  5. Step 5: Solve for x
    x = 841,643,500.81/33,379.90
  6. Step 6: Final answer
    x = 25,214.08

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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.