Home / 65,292.39-97,935.84-20,918.16

Finding the Fourth Proportional to 65,292.39, 97,935.84 and 20,918.16

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Solution

The fourth proportional to 65,292.39, 97,935.84 and 20,918.16 is: 31,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,292.39 : 97,935.84 = 20,918.16 : x
  2. Step 2: Convert to fraction form
    65,292.39/97,935.84 = 20,918.16/x
  3. Step 3: Cross multiply
    65,292.39x = 97,935.84 × 20,918.16
  4. Step 4: Simplify right side
    65,292.39x = 2,048,637,181.61
  5. Step 5: Solve for x
    x = 2,048,637,181.61/65,292.39
  6. Step 6: Final answer
    x = 31,376.36

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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.