Home / 33,312.17-45,971.36-19,880.81

Finding the Fourth Proportional to 33,312.17, 45,971.36 and 19,880.81

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Solution

The fourth proportional to 33,312.17, 45,971.36 and 19,880.81 is: 27,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.17 : 45,971.36 = 19,880.81 : x
  2. Step 2: Convert to fraction form
    33,312.17/45,971.36 = 19,880.81/x
  3. Step 3: Cross multiply
    33,312.17x = 45,971.36 × 19,880.81
  4. Step 4: Simplify right side
    33,312.17x = 913,947,774.20
  5. Step 5: Solve for x
    x = 913,947,774.20/33,312.17
  6. Step 6: Final answer
    x = 27,435.86

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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.