Home / 38,186.98-52,693.76-21,190.66

Finding the Fourth Proportional to 38,186.98, 52,693.76 and 21,190.66

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Solution

The fourth proportional to 38,186.98, 52,693.76 and 21,190.66 is: 29,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.98 : 52,693.76 = 21,190.66 : x
  2. Step 2: Convert to fraction form
    38,186.98/52,693.76 = 21,190.66/x
  3. Step 3: Cross multiply
    38,186.98x = 52,693.76 × 21,190.66
  4. Step 4: Simplify right side
    38,186.98x = 1,116,615,552.28
  5. Step 5: Solve for x
    x = 1,116,615,552.28/38,186.98
  6. Step 6: Final answer
    x = 29,240.74

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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.