Home / 33,210.93-45,829.40-18,868.88

Finding the Fourth Proportional to 33,210.93, 45,829.40 and 18,868.88

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Solution

The fourth proportional to 33,210.93, 45,829.40 and 18,868.88 is: 26,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,210.93 : 45,829.40 = 18,868.88 : x
  2. Step 2: Convert to fraction form
    33,210.93/45,829.40 = 18,868.88/x
  3. Step 3: Cross multiply
    33,210.93x = 45,829.40 × 18,868.88
  4. Step 4: Simplify right side
    33,210.93x = 864,749,125.58
  5. Step 5: Solve for x
    x = 864,749,125.58/33,210.93
  6. Step 6: Final answer
    x = 26,038.09

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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.