Home / 39,485.93-59,220.16-11,399.88

Finding the Fourth Proportional to 39,485.93, 59,220.16 and 11,399.88

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Solution

The fourth proportional to 39,485.93, 59,220.16 and 11,399.88 is: 17,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.93 : 59,220.16 = 11,399.88 : x
  2. Step 2: Convert to fraction form
    39,485.93/59,220.16 = 11,399.88/x
  3. Step 3: Cross multiply
    39,485.93x = 59,220.16 × 11,399.88
  4. Step 4: Simplify right side
    39,485.93x = 675,102,509.76
  5. Step 5: Solve for x
    x = 675,102,509.76/39,485.93
  6. Step 6: Final answer
    x = 17,097.29

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1.5x scale

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.