Home / 33,258.86-45,903.12-19,830.98

Finding the Fourth Proportional to 33,258.86, 45,903.12 and 19,830.98

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Solution

The fourth proportional to 33,258.86, 45,903.12 and 19,830.98 is: 27,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258.86 : 45,903.12 = 19,830.98 : x
  2. Step 2: Convert to fraction form
    33,258.86/45,903.12 = 19,830.98/x
  3. Step 3: Cross multiply
    33,258.86x = 45,903.12 × 19,830.98
  4. Step 4: Simplify right side
    33,258.86x = 910,303,854.66
  5. Step 5: Solve for x
    x = 910,303,854.66/33,258.86
  6. Step 6: Final answer
    x = 27,370.27

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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.