Home / 45,783.72-63,186.75-27,889.20

Finding the Fourth Proportional to 45,783.72, 63,186.75 and 27,889.20

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Solution

The fourth proportional to 45,783.72, 63,186.75 and 27,889.20 is: 38,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,783.72 : 63,186.75 = 27,889.20 : x
  2. Step 2: Convert to fraction form
    45,783.72/63,186.75 = 27,889.20/x
  3. Step 3: Cross multiply
    45,783.72x = 63,186.75 × 27,889.20
  4. Step 4: Simplify right side
    45,783.72x = 1,762,227,908.10
  5. Step 5: Solve for x
    x = 1,762,227,908.10/45,783.72
  6. Step 6: Final answer
    x = 38,490.27

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Double scale
Find fourth proportional to 45,784.72, 63,188.13 and 27,890.20
Similar ratio
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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.