Home / 38,246.68-52,780.26-21,479.32

Finding the Fourth Proportional to 38,246.68, 52,780.26 and 21,479.32

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Solution

The fourth proportional to 38,246.68, 52,780.26 and 21,479.32 is: 29,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.68 : 52,780.26 = 21,479.32 : x
  2. Step 2: Convert to fraction form
    38,246.68/52,780.26 = 21,479.32/x
  3. Step 3: Cross multiply
    38,246.68x = 52,780.26 × 21,479.32
  4. Step 4: Simplify right side
    38,246.68x = 1,133,684,094.22
  5. Step 5: Solve for x
    x = 1,133,684,094.22/38,246.68
  6. Step 6: Final answer
    x = 29,641.37

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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.