Home / 43,054.76-64,598.70-16,778

Finding the Fourth Proportional to 43,054.76, 64,598.70 and 16,778

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Solution

The fourth proportional to 43,054.76, 64,598.70 and 16,778 is: 25,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,054.76 : 64,598.70 = 16,778 : x
  2. Step 2: Convert to fraction form
    43,054.76/64,598.70 = 16,778/x
  3. Step 3: Cross multiply
    43,054.76x = 64,598.70 × 16,778
  4. Step 4: Simplify right side
    43,054.76x = 1,083,836,988.60
  5. Step 5: Solve for x
    x = 1,083,836,988.60/43,054.76
  6. Step 6: Final answer
    x = 25,173.45

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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.