Home / 65,918.34-98,852.82-21,533.16

Finding the Fourth Proportional to 65,918.34, 98,852.82 and 21,533.16

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Solution

The fourth proportional to 65,918.34, 98,852.82 and 21,533.16 is: 32,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.34 : 98,852.82 = 21,533.16 : x
  2. Step 2: Convert to fraction form
    65,918.34/98,852.82 = 21,533.16/x
  3. Step 3: Cross multiply
    65,918.34x = 98,852.82 × 21,533.16
  4. Step 4: Simplify right side
    65,918.34x = 2,128,613,589.51
  5. Step 5: Solve for x
    x = 2,128,613,589.51/65,918.34
  6. Step 6: Final answer
    x = 32,291.67

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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.