Home / 45,685.36-63,042.30-27,777.88

Finding the Fourth Proportional to 45,685.36, 63,042.30 and 27,777.88

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Solution

The fourth proportional to 45,685.36, 63,042.30 and 27,777.88 is: 38,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.36 : 63,042.30 = 27,777.88 : x
  2. Step 2: Convert to fraction form
    45,685.36/63,042.30 = 27,777.88/x
  3. Step 3: Cross multiply
    45,685.36x = 63,042.30 × 27,777.88
  4. Step 4: Simplify right side
    45,685.36x = 1,751,181,444.32
  5. Step 5: Solve for x
    x = 1,751,181,444.32/45,685.36
  6. Step 6: Final answer
    x = 38,331.35

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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.