Home / 73,003.50-109,547.40-30,880.80

Finding the Fourth Proportional to 73,003.50, 109,547.40 and 30,880.80

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Solution

The fourth proportional to 73,003.50, 109,547.40 and 30,880.80 is: 46,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.50 : 109,547.40 = 30,880.80 : x
  2. Step 2: Convert to fraction form
    73,003.50/109,547.40 = 30,880.80/x
  3. Step 3: Cross multiply
    73,003.50x = 109,547.40 × 30,880.80
  4. Step 4: Simplify right side
    73,003.50x = 3,382,911,349.92
  5. Step 5: Solve for x
    x = 3,382,911,349.92/73,003.50
  6. Step 6: Final answer
    x = 46,339.03

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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.