Home / 39,078.66-53,907.03-23,160.18

Finding the Fourth Proportional to 39,078.66, 53,907.03 and 23,160.18

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Solution

The fourth proportional to 39,078.66, 53,907.03 and 23,160.18 is: 31,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.66 : 53,907.03 = 23,160.18 : x
  2. Step 2: Convert to fraction form
    39,078.66/53,907.03 = 23,160.18/x
  3. Step 3: Cross multiply
    39,078.66x = 53,907.03 × 23,160.18
  4. Step 4: Simplify right side
    39,078.66x = 1,248,496,518.07
  5. Step 5: Solve for x
    x = 1,248,496,518.07/39,078.66
  6. Step 6: Final answer
    x = 31,948.29

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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.