Home / 34,688.40-52,039.80-11,316.60

Finding the Fourth Proportional to 34,688.40, 52,039.80 and 11,316.60

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Solution

The fourth proportional to 34,688.40, 52,039.80 and 11,316.60 is: 16,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688.40 : 52,039.80 = 11,316.60 : x
  2. Step 2: Convert to fraction form
    34,688.40/52,039.80 = 11,316.60/x
  3. Step 3: Cross multiply
    34,688.40x = 52,039.80 × 11,316.60
  4. Step 4: Simplify right side
    34,688.40x = 588,913,600.68
  5. Step 5: Solve for x
    x = 588,913,600.68/34,688.40
  6. Step 6: Final answer
    x = 16,977.25

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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.