Home / 45,784.16-63,187.35-27,889.64

Finding the Fourth Proportional to 45,784.16, 63,187.35 and 27,889.64

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Solution

The fourth proportional to 45,784.16, 63,187.35 and 27,889.64 is: 38,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,784.16 : 63,187.35 = 27,889.64 : x
  2. Step 2: Convert to fraction form
    45,784.16/63,187.35 = 27,889.64/x
  3. Step 3: Cross multiply
    45,784.16x = 63,187.35 × 27,889.64
  4. Step 4: Simplify right side
    45,784.16x = 1,762,272,444.05
  5. Step 5: Solve for x
    x = 1,762,272,444.05/45,784.16
  6. Step 6: Final answer
    x = 38,490.88

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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.