Home / 23,120.01-31,905.48-13,051.72

Finding the Fourth Proportional to 23,120.01, 31,905.48 and 13,051.72

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Solution

The fourth proportional to 23,120.01, 31,905.48 and 13,051.72 is: 18,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.01 : 31,905.48 = 13,051.72 : x
  2. Step 2: Convert to fraction form
    23,120.01/31,905.48 = 13,051.72/x
  3. Step 3: Cross multiply
    23,120.01x = 31,905.48 × 13,051.72
  4. Step 4: Simplify right side
    23,120.01x = 416,421,480.25
  5. Step 5: Solve for x
    x = 416,421,480.25/23,120.01
  6. Step 6: Final answer
    x = 18,011.30

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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.