Home / 49,017.20-73,428.60-28,216.40

Finding the Fourth Proportional to 49,017.20, 73,428.60 and 28,216.40

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Solution

The fourth proportional to 49,017.20, 73,428.60 and 28,216.40 is: 42,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,017.20 : 73,428.60 = 28,216.40 : x
  2. Step 2: Convert to fraction form
    49,017.20/73,428.60 = 28,216.40/x
  3. Step 3: Cross multiply
    49,017.20x = 73,428.60 × 28,216.40
  4. Step 4: Simplify right side
    49,017.20x = 2,071,890,749.04
  5. Step 5: Solve for x
    x = 2,071,890,749.04/49,017.20
  6. Step 6: Final answer
    x = 42,268.65

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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.