Home / 35,643.30-49,203.63-21,308.10

Finding the Fourth Proportional to 35,643.30, 49,203.63 and 21,308.10

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Solution

The fourth proportional to 35,643.30, 49,203.63 and 21,308.10 is: 29,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.30 : 49,203.63 = 21,308.10 : x
  2. Step 2: Convert to fraction form
    35,643.30/49,203.63 = 21,308.10/x
  3. Step 3: Cross multiply
    35,643.30x = 49,203.63 × 21,308.10
  4. Step 4: Simplify right side
    35,643.30x = 1,048,435,868.40
  5. Step 5: Solve for x
    x = 1,048,435,868.40/35,643.30
  6. Step 6: Final answer
    x = 29,414.67

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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.