Home / 38,410.60-53,047.38-31,259.08

Finding the Fourth Proportional to 38,410.60, 53,047.38 and 31,259.08

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Solution

The fourth proportional to 38,410.60, 53,047.38 and 31,259.08 is: 43,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.60 : 53,047.38 = 31,259.08 : x
  2. Step 2: Convert to fraction form
    38,410.60/53,047.38 = 31,259.08/x
  3. Step 3: Cross multiply
    38,410.60x = 53,047.38 × 31,259.08
  4. Step 4: Simplify right side
    38,410.60x = 1,658,212,295.21
  5. Step 5: Solve for x
    x = 1,658,212,295.21/38,410.60
  6. Step 6: Final answer
    x = 43,170.69

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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.