Home / 43,695.36-65,488.03-18,705.85

Finding the Fourth Proportional to 43,695.36, 65,488.03 and 18,705.85

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Solution

The fourth proportional to 43,695.36, 65,488.03 and 18,705.85 is: 28,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.36 : 65,488.03 = 18,705.85 : x
  2. Step 2: Convert to fraction form
    43,695.36/65,488.03 = 18,705.85/x
  3. Step 3: Cross multiply
    43,695.36x = 65,488.03 × 18,705.85
  4. Step 4: Simplify right side
    43,695.36x = 1,225,009,055.49
  5. Step 5: Solve for x
    x = 1,225,009,055.49/43,695.36
  6. Step 6: Final answer
    x = 28,035.22

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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.