Home / 49,025.80-73,538.70-19,428.40

Finding the Fourth Proportional to 49,025.80, 73,538.70 and 19,428.40

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Solution

The fourth proportional to 49,025.80, 73,538.70 and 19,428.40 is: 29,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,025.80 : 73,538.70 = 19,428.40 : x
  2. Step 2: Convert to fraction form
    49,025.80/73,538.70 = 19,428.40/x
  3. Step 3: Cross multiply
    49,025.80x = 73,538.70 × 19,428.40
  4. Step 4: Simplify right side
    49,025.80x = 1,428,739,279.08
  5. Step 5: Solve for x
    x = 1,428,739,279.08/49,025.80
  6. Step 6: Final answer
    x = 29,142.60

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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.