Home / 39,708.07-59,567.85-13,420.33

Finding the Fourth Proportional to 39,708.07, 59,567.85 and 13,420.33

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Solution

The fourth proportional to 39,708.07, 59,567.85 and 13,420.33 is: 20,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,708.07 : 59,567.85 = 13,420.33 : x
  2. Step 2: Convert to fraction form
    39,708.07/59,567.85 = 13,420.33/x
  3. Step 3: Cross multiply
    39,708.07x = 59,567.85 × 13,420.33
  4. Step 4: Simplify right side
    39,708.07x = 799,420,204.39
  5. Step 5: Solve for x
    x = 799,420,204.39/39,708.07
  6. Step 6: Final answer
    x = 20,132.44

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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.