Home / 39,261.70-58,889.31-12,959.38

Finding the Fourth Proportional to 39,261.70, 58,889.31 and 12,959.38

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Solution

The fourth proportional to 39,261.70, 58,889.31 and 12,959.38 is: 19,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,261.70 : 58,889.31 = 12,959.38 : x
  2. Step 2: Convert to fraction form
    39,261.70/58,889.31 = 12,959.38/x
  3. Step 3: Cross multiply
    39,261.70x = 58,889.31 × 12,959.38
  4. Step 4: Simplify right side
    39,261.70x = 763,168,946.23
  5. Step 5: Solve for x
    x = 763,168,946.23/39,261.70
  6. Step 6: Final answer
    x = 19,438.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.