Home / 31,208.40-46,801.44-15,615.36

Finding the Fourth Proportional to 31,208.40, 46,801.44 and 15,615.36

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Solution

The fourth proportional to 31,208.40, 46,801.44 and 15,615.36 is: 23,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.40 : 46,801.44 = 15,615.36 : x
  2. Step 2: Convert to fraction form
    31,208.40/46,801.44 = 15,615.36/x
  3. Step 3: Cross multiply
    31,208.40x = 46,801.44 × 15,615.36
  4. Step 4: Simplify right side
    31,208.40x = 730,821,334.12
  5. Step 5: Solve for x
    x = 730,821,334.12/31,208.40
  6. Step 6: Final answer
    x = 23,417.46

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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.