Home / 38,788.04-53,559.06-31,619.08

Finding the Fourth Proportional to 38,788.04, 53,559.06 and 31,619.08

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Solution

The fourth proportional to 38,788.04, 53,559.06 and 31,619.08 is: 43,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.04 : 53,559.06 = 31,619.08 : x
  2. Step 2: Convert to fraction form
    38,788.04/53,559.06 = 31,619.08/x
  3. Step 3: Cross multiply
    38,788.04x = 53,559.06 × 31,619.08
  4. Step 4: Simplify right side
    38,788.04x = 1,693,488,202.86
  5. Step 5: Solve for x
    x = 1,693,488,202.86/38,788.04
  6. Step 6: Final answer
    x = 43,660.06

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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.