Home / 51,009.84-70,392.15-28,348.24

Finding the Fourth Proportional to 51,009.84, 70,392.15 and 28,348.24

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Solution

The fourth proportional to 51,009.84, 70,392.15 and 28,348.24 is: 39,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.84 : 70,392.15 = 28,348.24 : x
  2. Step 2: Convert to fraction form
    51,009.84/70,392.15 = 28,348.24/x
  3. Step 3: Cross multiply
    51,009.84x = 70,392.15 × 28,348.24
  4. Step 4: Simplify right side
    51,009.84x = 1,995,493,562.32
  5. Step 5: Solve for x
    x = 1,995,493,562.32/51,009.84
  6. Step 6: Final answer
    x = 39,119.78

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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.