Home / 33,254.11-45,886.54-21,155.98

Finding the Fourth Proportional to 33,254.11, 45,886.54 and 21,155.98

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Solution

The fourth proportional to 33,254.11, 45,886.54 and 21,155.98 is: 29,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,254.11 : 45,886.54 = 21,155.98 : x
  2. Step 2: Convert to fraction form
    33,254.11/45,886.54 = 21,155.98/x
  3. Step 3: Cross multiply
    33,254.11x = 45,886.54 × 21,155.98
  4. Step 4: Simplify right side
    33,254.11x = 970,774,722.51
  5. Step 5: Solve for x
    x = 970,774,722.51/33,254.11
  6. Step 6: Final answer
    x = 29,192.62

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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.