Home / 42,071.21-63,091.06-13,986.08

Finding the Fourth Proportional to 42,071.21, 63,091.06 and 13,986.08

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Solution

The fourth proportional to 42,071.21, 63,091.06 and 13,986.08 is: 20,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,071.21 : 63,091.06 = 13,986.08 : x
  2. Step 2: Convert to fraction form
    42,071.21/63,091.06 = 13,986.08/x
  3. Step 3: Cross multiply
    42,071.21x = 63,091.06 × 13,986.08
  4. Step 4: Simplify right side
    42,071.21x = 882,396,612.44
  5. Step 5: Solve for x
    x = 882,396,612.44/42,071.21
  6. Step 6: Final answer
    x = 20,973.88

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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.