Home / 45,269.89-67,905.68-15,688.69

Finding the Fourth Proportional to 45,269.89, 67,905.68 and 15,688.69

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Solution

The fourth proportional to 45,269.89, 67,905.68 and 15,688.69 is: 23,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,269.89 : 67,905.68 = 15,688.69 : x
  2. Step 2: Convert to fraction form
    45,269.89/67,905.68 = 15,688.69/x
  3. Step 3: Cross multiply
    45,269.89x = 67,905.68 × 15,688.69
  4. Step 4: Simplify right side
    45,269.89x = 1,065,350,914.55
  5. Step 5: Solve for x
    x = 1,065,350,914.55/45,269.89
  6. Step 6: Final answer
    x = 23,533.32

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1.5x scale

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.