Home / 23,120.48-31,899.60-13,048.40

Finding the Fourth Proportional to 23,120.48, 31,899.60 and 13,048.40

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Solution

The fourth proportional to 23,120.48, 31,899.60 and 13,048.40 is: 18,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.48 : 31,899.60 = 13,048.40 : x
  2. Step 2: Convert to fraction form
    23,120.48/31,899.60 = 13,048.40/x
  3. Step 3: Cross multiply
    23,120.48x = 31,899.60 × 13,048.40
  4. Step 4: Simplify right side
    23,120.48x = 416,238,740.64
  5. Step 5: Solve for x
    x = 416,238,740.64/23,120.48
  6. Step 6: Final answer
    x = 18,003.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.