Home / 34,313.56-47,351.10-19,406.68

Finding the Fourth Proportional to 34,313.56, 47,351.10 and 19,406.68

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Solution

The fourth proportional to 34,313.56, 47,351.10 and 19,406.68 is: 26,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.56 : 47,351.10 = 19,406.68 : x
  2. Step 2: Convert to fraction form
    34,313.56/47,351.10 = 19,406.68/x
  3. Step 3: Cross multiply
    34,313.56x = 47,351.10 × 19,406.68
  4. Step 4: Simplify right side
    34,313.56x = 918,927,645.35
  5. Step 5: Solve for x
    x = 918,927,645.35/34,313.56
  6. Step 6: Final answer
    x = 26,780.31

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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.