Home / 45,657.60-68,427.06-18,608.35

Finding the Fourth Proportional to 45,657.60, 68,427.06 and 18,608.35

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Solution

The fourth proportional to 45,657.60, 68,427.06 and 18,608.35 is: 27,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.60 : 68,427.06 = 18,608.35 : x
  2. Step 2: Convert to fraction form
    45,657.60/68,427.06 = 18,608.35/x
  3. Step 3: Cross multiply
    45,657.60x = 68,427.06 × 18,608.35
  4. Step 4: Simplify right side
    45,657.60x = 1,273,314,681.95
  5. Step 5: Solve for x
    x = 1,273,314,681.95/45,657.60
  6. Step 6: Final answer
    x = 27,888.34

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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.