Home / 49,079.20-73,618.80-40,914.40

Finding the Fourth Proportional to 49,079.20, 73,618.80 and 40,914.40

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Solution

The fourth proportional to 49,079.20, 73,618.80 and 40,914.40 is: 61,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,079.20 : 73,618.80 = 40,914.40 : x
  2. Step 2: Convert to fraction form
    49,079.20/73,618.80 = 40,914.40/x
  3. Step 3: Cross multiply
    49,079.20x = 73,618.80 × 40,914.40
  4. Step 4: Simplify right side
    49,079.20x = 3,012,069,030.72
  5. Step 5: Solve for x
    x = 3,012,069,030.72/49,079.20
  6. Step 6: Final answer
    x = 61,371.60

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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.