Home / 38,786.81-53,528.90-22,659.30

Finding the Fourth Proportional to 38,786.81, 53,528.90 and 22,659.30

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Solution

The fourth proportional to 38,786.81, 53,528.90 and 22,659.30 is: 31,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,786.81 : 53,528.90 = 22,659.30 : x
  2. Step 2: Convert to fraction form
    38,786.81/53,528.90 = 22,659.30/x
  3. Step 3: Cross multiply
    38,786.81x = 53,528.90 × 22,659.30
  4. Step 4: Simplify right side
    38,786.81x = 1,212,927,290.47
  5. Step 5: Solve for x
    x = 1,212,927,290.47/38,786.81
  6. Step 6: Final answer
    x = 31,271.65

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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.