Home / 55,447.08-83,203.56-20,411.34

Finding the Fourth Proportional to 55,447.08, 83,203.56 and 20,411.34

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Solution

The fourth proportional to 55,447.08, 83,203.56 and 20,411.34 is: 30,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.08 : 83,203.56 = 20,411.34 : x
  2. Step 2: Convert to fraction form
    55,447.08/83,203.56 = 20,411.34/x
  3. Step 3: Cross multiply
    55,447.08x = 83,203.56 × 20,411.34
  4. Step 4: Simplify right side
    55,447.08x = 1,698,296,152.37
  5. Step 5: Solve for x
    x = 1,698,296,152.37/55,447.08
  6. Step 6: Final answer
    x = 30,629.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.