Home / 39,609.27-59,421.40-15,918.66

Finding the Fourth Proportional to 39,609.27, 59,421.40 and 15,918.66

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Solution

The fourth proportional to 39,609.27, 59,421.40 and 15,918.66 is: 23,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.27 : 59,421.40 = 15,918.66 : x
  2. Step 2: Convert to fraction form
    39,609.27/59,421.40 = 15,918.66/x
  3. Step 3: Cross multiply
    39,609.27x = 59,421.40 × 15,918.66
  4. Step 4: Simplify right side
    39,609.27x = 945,909,023.53
  5. Step 5: Solve for x
    x = 945,909,023.53/39,609.27
  6. Step 6: Final answer
    x = 23,881.00

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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.