Home / 34,690.09-47,870.01-19,579.80

Finding the Fourth Proportional to 34,690.09, 47,870.01 and 19,579.80

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Solution

The fourth proportional to 34,690.09, 47,870.01 and 19,579.80 is: 27,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.09 : 47,870.01 = 19,579.80 : x
  2. Step 2: Convert to fraction form
    34,690.09/47,870.01 = 19,579.80/x
  3. Step 3: Cross multiply
    34,690.09x = 47,870.01 × 19,579.80
  4. Step 4: Simplify right side
    34,690.09x = 937,285,321.74
  5. Step 5: Solve for x
    x = 937,285,321.74/34,690.09
  6. Step 6: Final answer
    x = 27,018.82

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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.