Home / 39,112.23-58,668.53-19,386.18

Finding the Fourth Proportional to 39,112.23, 58,668.53 and 19,386.18

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Solution

The fourth proportional to 39,112.23, 58,668.53 and 19,386.18 is: 29,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.23 : 58,668.53 = 19,386.18 : x
  2. Step 2: Convert to fraction form
    39,112.23/58,668.53 = 19,386.18/x
  3. Step 3: Cross multiply
    39,112.23x = 58,668.53 × 19,386.18
  4. Step 4: Simplify right side
    39,112.23x = 1,137,358,585.98
  5. Step 5: Solve for x
    x = 1,137,358,585.98/39,112.23
  6. Step 6: Final answer
    x = 29,079.36

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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.