Home / 55,605.36-83,408.04-18,695.28

Finding the Fourth Proportional to 55,605.36, 83,408.04 and 18,695.28

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Solution

The fourth proportional to 55,605.36, 83,408.04 and 18,695.28 is: 28,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605.36 : 83,408.04 = 18,695.28 : x
  2. Step 2: Convert to fraction form
    55,605.36/83,408.04 = 18,695.28/x
  3. Step 3: Cross multiply
    55,605.36x = 83,408.04 × 18,695.28
  4. Step 4: Simplify right side
    55,605.36x = 1,559,336,662.05
  5. Step 5: Solve for x
    x = 1,559,336,662.05/55,605.36
  6. Step 6: Final answer
    x = 28,042.92

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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.