Home / 39,740.16-59,619.46-11,659.08

Finding the Fourth Proportional to 39,740.16, 59,619.46 and 11,659.08

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Solution

The fourth proportional to 39,740.16, 59,619.46 and 11,659.08 is: 17,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.16 : 59,619.46 = 11,659.08 : x
  2. Step 2: Convert to fraction form
    39,740.16/59,619.46 = 11,659.08/x
  3. Step 3: Cross multiply
    39,740.16x = 59,619.46 × 11,659.08
  4. Step 4: Simplify right side
    39,740.16x = 695,108,053.70
  5. Step 5: Solve for x
    x = 695,108,053.70/39,740.16
  6. Step 6: Final answer
    x = 17,491.32

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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.