Home / 59,310.10-88,942.78-19,318.64

Finding the Fourth Proportional to 59,310.10, 88,942.78 and 19,318.64

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Solution

The fourth proportional to 59,310.10, 88,942.78 and 19,318.64 is: 28,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,310.10 : 88,942.78 = 19,318.64 : x
  2. Step 2: Convert to fraction form
    59,310.10/88,942.78 = 19,318.64/x
  3. Step 3: Cross multiply
    59,310.10x = 88,942.78 × 19,318.64
  4. Step 4: Simplify right side
    59,310.10x = 1,718,253,547.42
  5. Step 5: Solve for x
    x = 1,718,253,547.42/59,310.10
  6. Step 6: Final answer
    x = 28,970.67

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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.