Home / 51,229.50-70,709.67-28,886.46

Finding the Fourth Proportional to 51,229.50, 70,709.67 and 28,886.46

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Solution

The fourth proportional to 51,229.50, 70,709.67 and 28,886.46 is: 39,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.50 : 70,709.67 = 28,886.46 : x
  2. Step 2: Convert to fraction form
    51,229.50/70,709.67 = 28,886.46/x
  3. Step 3: Cross multiply
    51,229.50x = 70,709.67 × 28,886.46
  4. Step 4: Simplify right side
    51,229.50x = 2,042,552,054.07
  5. Step 5: Solve for x
    x = 2,042,552,054.07/51,229.50
  6. Step 6: Final answer
    x = 39,870.62

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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.