Home / 51,238.03-70,708.88-28,578.46

Finding the Fourth Proportional to 51,238.03, 70,708.88 and 28,578.46

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Solution

The fourth proportional to 51,238.03, 70,708.88 and 28,578.46 is: 39,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.03 : 70,708.88 = 28,578.46 : x
  2. Step 2: Convert to fraction form
    51,238.03/70,708.88 = 28,578.46/x
  3. Step 3: Cross multiply
    51,238.03x = 70,708.88 × 28,578.46
  4. Step 4: Simplify right side
    51,238.03x = 2,020,750,898.72
  5. Step 5: Solve for x
    x = 2,020,750,898.72/51,238.03
  6. Step 6: Final answer
    x = 39,438.50

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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.