Home / 39,707.04-59,556.86-13,412.01

Finding the Fourth Proportional to 39,707.04, 59,556.86 and 13,412.01

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Solution

The fourth proportional to 39,707.04, 59,556.86 and 13,412.01 is: 20,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.04 : 59,556.86 = 13,412.01 : x
  2. Step 2: Convert to fraction form
    39,707.04/59,556.86 = 13,412.01/x
  3. Step 3: Cross multiply
    39,707.04x = 59,556.86 × 13,412.01
  4. Step 4: Simplify right side
    39,707.04x = 798,777,201.89
  5. Step 5: Solve for x
    x = 798,777,201.89/39,707.04
  6. Step 6: Final answer
    x = 20,116.77

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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.