Home / 51,002.37-70,381.86-28,340.77

Finding the Fourth Proportional to 51,002.37, 70,381.86 and 28,340.77

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Solution

The fourth proportional to 51,002.37, 70,381.86 and 28,340.77 is: 39,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,002.37 : 70,381.86 = 28,340.77 : x
  2. Step 2: Convert to fraction form
    51,002.37/70,381.86 = 28,340.77/x
  3. Step 3: Cross multiply
    51,002.37x = 70,381.86 × 28,340.77
  4. Step 4: Simplify right side
    51,002.37x = 1,994,675,964.73
  5. Step 5: Solve for x
    x = 1,994,675,964.73/51,002.37
  6. Step 6: Final answer
    x = 39,109.48

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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.