Home / 39,186.66-58,782.81-19,445.34

Finding the Fourth Proportional to 39,186.66, 58,782.81 and 19,445.34

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Solution

The fourth proportional to 39,186.66, 58,782.81 and 19,445.34 is: 29,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.66 : 58,782.81 = 19,445.34 : x
  2. Step 2: Convert to fraction form
    39,186.66/58,782.81 = 19,445.34/x
  3. Step 3: Cross multiply
    39,186.66x = 58,782.81 × 19,445.34
  4. Step 4: Simplify right side
    39,186.66x = 1,143,051,726.61
  5. Step 5: Solve for x
    x = 1,143,051,726.61/39,186.66
  6. Step 6: Final answer
    x = 29,169.41

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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.