Home / 42,485.76-63,682.56-27,705.60

Finding the Fourth Proportional to 42,485.76, 63,682.56 and 27,705.60

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Solution

The fourth proportional to 42,485.76, 63,682.56 and 27,705.60 is: 41,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.76 : 63,682.56 = 27,705.60 : x
  2. Step 2: Convert to fraction form
    42,485.76/63,682.56 = 27,705.60/x
  3. Step 3: Cross multiply
    42,485.76x = 63,682.56 × 27,705.60
  4. Step 4: Simplify right side
    42,485.76x = 1,764,363,534.34
  5. Step 5: Solve for x
    x = 1,764,363,534.34/42,485.76
  6. Step 6: Final answer
    x = 41,528.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.