Home / 34,278.37-47,303.65-19,170.89

Finding the Fourth Proportional to 34,278.37, 47,303.65 and 19,170.89

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Solution

The fourth proportional to 34,278.37, 47,303.65 and 19,170.89 is: 26,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.37 : 47,303.65 = 19,170.89 : x
  2. Step 2: Convert to fraction form
    34,278.37/47,303.65 = 19,170.89/x
  3. Step 3: Cross multiply
    34,278.37x = 47,303.65 × 19,170.89
  4. Step 4: Simplify right side
    34,278.37x = 906,853,193.83
  5. Step 5: Solve for x
    x = 906,853,193.83/34,278.37
  6. Step 6: Final answer
    x = 26,455.55

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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.