Home / 39,316.16-58,968.48-11,616.32

Finding the Fourth Proportional to 39,316.16, 58,968.48 and 11,616.32

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Solution

The fourth proportional to 39,316.16, 58,968.48 and 11,616.32 is: 17,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316.16 : 58,968.48 = 11,616.32 : x
  2. Step 2: Convert to fraction form
    39,316.16/58,968.48 = 11,616.32/x
  3. Step 3: Cross multiply
    39,316.16x = 58,968.48 × 11,616.32
  4. Step 4: Simplify right side
    39,316.16x = 684,996,733.59
  5. Step 5: Solve for x
    x = 684,996,733.59/39,316.16
  6. Step 6: Final answer
    x = 17,422.78

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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.