Home / 35,819.30-49,429.64-19,903.34

Finding the Fourth Proportional to 35,819.30, 49,429.64 and 19,903.34

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Solution

The fourth proportional to 35,819.30, 49,429.64 and 19,903.34 is: 27,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.30 : 49,429.64 = 19,903.34 : x
  2. Step 2: Convert to fraction form
    35,819.30/49,429.64 = 19,903.34/x
  3. Step 3: Cross multiply
    35,819.30x = 49,429.64 × 19,903.34
  4. Step 4: Simplify right side
    35,819.30x = 983,814,683.85
  5. Step 5: Solve for x
    x = 983,814,683.85/35,819.30
  6. Step 6: Final answer
    x = 27,466.05

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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.