Home / 65,316.16-97,982.34-18,572.68

Finding the Fourth Proportional to 65,316.16, 97,982.34 and 18,572.68

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Solution

The fourth proportional to 65,316.16, 97,982.34 and 18,572.68 is: 27,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,316.16 : 97,982.34 = 18,572.68 : x
  2. Step 2: Convert to fraction form
    65,316.16/97,982.34 = 18,572.68/x
  3. Step 3: Cross multiply
    65,316.16x = 97,982.34 × 18,572.68
  4. Step 4: Simplify right side
    65,316.16x = 1,819,794,646.47
  5. Step 5: Solve for x
    x = 1,819,794,646.47/65,316.16
  6. Step 6: Final answer
    x = 27,861.32

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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.