Home / 55,643.36-83,470.21-18,203.67

Finding the Fourth Proportional to 55,643.36, 83,470.21 and 18,203.67

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Solution

The fourth proportional to 55,643.36, 83,470.21 and 18,203.67 is: 27,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,643.36 : 83,470.21 = 18,203.67 : x
  2. Step 2: Convert to fraction form
    55,643.36/83,470.21 = 18,203.67/x
  3. Step 3: Cross multiply
    55,643.36x = 83,470.21 × 18,203.67
  4. Step 4: Simplify right side
    55,643.36x = 1,519,464,112.16
  5. Step 5: Solve for x
    x = 1,519,464,112.16/55,643.36
  6. Step 6: Final answer
    x = 27,307.20

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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.