Home / 39,477.54-59,213.88-13,180.08

Finding the Fourth Proportional to 39,477.54, 59,213.88 and 13,180.08

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Solution

The fourth proportional to 39,477.54, 59,213.88 and 13,180.08 is: 19,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.54 : 59,213.88 = 13,180.08 : x
  2. Step 2: Convert to fraction form
    39,477.54/59,213.88 = 13,180.08/x
  3. Step 3: Cross multiply
    39,477.54x = 59,213.88 × 13,180.08
  4. Step 4: Simplify right side
    39,477.54x = 780,443,675.51
  5. Step 5: Solve for x
    x = 780,443,675.51/39,477.54
  6. Step 6: Final answer
    x = 19,769.31

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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.