Home / 51,306.69-70,806.36-28,645.65

Finding the Fourth Proportional to 51,306.69, 70,806.36 and 28,645.65

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Solution

The fourth proportional to 51,306.69, 70,806.36 and 28,645.65 is: 39,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.69 : 70,806.36 = 28,645.65 : x
  2. Step 2: Convert to fraction form
    51,306.69/70,806.36 = 28,645.65/x
  3. Step 3: Cross multiply
    51,306.69x = 70,806.36 × 28,645.65
  4. Step 4: Simplify right side
    51,306.69x = 2,028,294,206.33
  5. Step 5: Solve for x
    x = 2,028,294,206.33/51,306.69
  6. Step 6: Final answer
    x = 39,532.74

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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.