Home / 51,363.91-70,880.83-28,703.09

Finding the Fourth Proportional to 51,363.91, 70,880.83 and 28,703.09

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Solution

The fourth proportional to 51,363.91, 70,880.83 and 28,703.09 is: 39,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.91 : 70,880.83 = 28,703.09 : x
  2. Step 2: Convert to fraction form
    51,363.91/70,880.83 = 28,703.09/x
  3. Step 3: Cross multiply
    51,363.91x = 70,880.83 × 28,703.09
  4. Step 4: Simplify right side
    51,363.91x = 2,034,498,842.76
  5. Step 5: Solve for x
    x = 2,034,498,842.76/51,363.91
  6. Step 6: Final answer
    x = 39,609.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.