Home / 34,538.22-47,662.65-19,430.88

Finding the Fourth Proportional to 34,538.22, 47,662.65 and 19,430.88

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Solution

The fourth proportional to 34,538.22, 47,662.65 and 19,430.88 is: 26,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,538.22 : 47,662.65 = 19,430.88 : x
  2. Step 2: Convert to fraction form
    34,538.22/47,662.65 = 19,430.88/x
  3. Step 3: Cross multiply
    34,538.22x = 47,662.65 × 19,430.88
  4. Step 4: Simplify right side
    34,538.22x = 926,127,232.63
  5. Step 5: Solve for x
    x = 926,127,232.63/34,538.22
  6. Step 6: Final answer
    x = 26,814.56

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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.