Home / 38,867.86-53,637.30-22,100.86

Finding the Fourth Proportional to 38,867.86, 53,637.30 and 22,100.86

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Solution

The fourth proportional to 38,867.86, 53,637.30 and 22,100.86 is: 30,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.86 : 53,637.30 = 22,100.86 : x
  2. Step 2: Convert to fraction form
    38,867.86/53,637.30 = 22,100.86/x
  3. Step 3: Cross multiply
    38,867.86x = 53,637.30 × 22,100.86
  4. Step 4: Simplify right side
    38,867.86x = 1,185,430,458.08
  5. Step 5: Solve for x
    x = 1,185,430,458.08/38,867.86
  6. Step 6: Final answer
    x = 30,498.99

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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.