Home / 34,778.36-47,995.01-19,670.29

Finding the Fourth Proportional to 34,778.36, 47,995.01 and 19,670.29

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Solution

The fourth proportional to 34,778.36, 47,995.01 and 19,670.29 is: 27,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,778.36 : 47,995.01 = 19,670.29 : x
  2. Step 2: Convert to fraction form
    34,778.36/47,995.01 = 19,670.29/x
  3. Step 3: Cross multiply
    34,778.36x = 47,995.01 × 19,670.29
  4. Step 4: Simplify right side
    34,778.36x = 944,075,835.33
  5. Step 5: Solve for x
    x = 944,075,835.33/34,778.36
  6. Step 6: Final answer
    x = 27,145.49

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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.