Home / 30,769.28-46,114.68-14,978.08

Finding the Fourth Proportional to 30,769.28, 46,114.68 and 14,978.08

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Solution

The fourth proportional to 30,769.28, 46,114.68 and 14,978.08 is: 22,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.28 : 46,114.68 = 14,978.08 : x
  2. Step 2: Convert to fraction form
    30,769.28/46,114.68 = 14,978.08/x
  3. Step 3: Cross multiply
    30,769.28x = 46,114.68 × 14,978.08
  4. Step 4: Simplify right side
    30,769.28x = 690,709,366.21
  5. Step 5: Solve for x
    x = 690,709,366.21/30,769.28
  6. Step 6: Final answer
    x = 22,448.02

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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.