Home / 38,054.72-52,515.60-21,060.20

Finding the Fourth Proportional to 38,054.72, 52,515.60 and 21,060.20

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Solution

The fourth proportional to 38,054.72, 52,515.60 and 21,060.20 is: 29,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,054.72 : 52,515.60 = 21,060.20 : x
  2. Step 2: Convert to fraction form
    38,054.72/52,515.60 = 21,060.20/x
  3. Step 3: Cross multiply
    38,054.72x = 52,515.60 × 21,060.20
  4. Step 4: Simplify right side
    38,054.72x = 1,105,989,039.12
  5. Step 5: Solve for x
    x = 1,105,989,039.12/38,054.72
  6. Step 6: Final answer
    x = 29,063.12

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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.