Home / 53,919.84-80,890.70-18,884.10

Finding the Fourth Proportional to 53,919.84, 80,890.70 and 18,884.10

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Solution

The fourth proportional to 53,919.84, 80,890.70 and 18,884.10 is: 28,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.84 : 80,890.70 = 18,884.10 : x
  2. Step 2: Convert to fraction form
    53,919.84/80,890.70 = 18,884.10/x
  3. Step 3: Cross multiply
    53,919.84x = 80,890.70 × 18,884.10
  4. Step 4: Simplify right side
    53,919.84x = 1,527,547,973.45
  5. Step 5: Solve for x
    x = 1,527,547,973.45/53,919.84
  6. Step 6: Final answer
    x = 28,329.98

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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.