Home / 38,667.68-53,387.08-29,699.12

Finding the Fourth Proportional to 38,667.68, 53,387.08 and 29,699.12

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Solution

The fourth proportional to 38,667.68, 53,387.08 and 29,699.12 is: 41,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.68 : 53,387.08 = 29,699.12 : x
  2. Step 2: Convert to fraction form
    38,667.68/53,387.08 = 29,699.12/x
  3. Step 3: Cross multiply
    38,667.68x = 53,387.08 × 29,699.12
  4. Step 4: Simplify right side
    38,667.68x = 1,585,549,295.37
  5. Step 5: Solve for x
    x = 1,585,549,295.37/38,667.68
  6. Step 6: Final answer
    x = 41,004.51

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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.