Home / 38,575.76-53,225.16-22,660.88

Finding the Fourth Proportional to 38,575.76, 53,225.16 and 22,660.88

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Solution

The fourth proportional to 38,575.76, 53,225.16 and 22,660.88 is: 31,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.76 : 53,225.16 = 22,660.88 : x
  2. Step 2: Convert to fraction form
    38,575.76/53,225.16 = 22,660.88/x
  3. Step 3: Cross multiply
    38,575.76x = 53,225.16 × 22,660.88
  4. Step 4: Simplify right side
    38,575.76x = 1,206,128,963.74
  5. Step 5: Solve for x
    x = 1,206,128,963.74/38,575.76
  6. Step 6: Final answer
    x = 31,266.50

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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.