Home / 33,415.50-46,113.39-19,987.32

Finding the Fourth Proportional to 33,415.50, 46,113.39 and 19,987.32

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Solution

The fourth proportional to 33,415.50, 46,113.39 and 19,987.32 is: 27,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.50 : 46,113.39 = 19,987.32 : x
  2. Step 2: Convert to fraction form
    33,415.50/46,113.39 = 19,987.32/x
  3. Step 3: Cross multiply
    33,415.50x = 46,113.39 × 19,987.32
  4. Step 4: Simplify right side
    33,415.50x = 921,683,082.21
  5. Step 5: Solve for x
    x = 921,683,082.21/33,415.50
  6. Step 6: Final answer
    x = 27,582.50

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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.