Home / 39,107.12-58,665.59-19,117.25

Finding the Fourth Proportional to 39,107.12, 58,665.59 and 19,117.25

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Solution

The fourth proportional to 39,107.12, 58,665.59 and 19,117.25 is: 28,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.12 : 58,665.59 = 19,117.25 : x
  2. Step 2: Convert to fraction form
    39,107.12/58,665.59 = 19,117.25/x
  3. Step 3: Cross multiply
    39,107.12x = 58,665.59 × 19,117.25
  4. Step 4: Simplify right side
    39,107.12x = 1,121,524,801.51
  5. Step 5: Solve for x
    x = 1,121,524,801.51/39,107.12
  6. Step 6: Final answer
    x = 28,678.28

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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.