Home / 51,054.57-70,451.23-28,393.61

Finding the Fourth Proportional to 51,054.57, 70,451.23 and 28,393.61

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Solution

The fourth proportional to 51,054.57, 70,451.23 and 28,393.61 is: 39,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,054.57 : 70,451.23 = 28,393.61 : x
  2. Step 2: Convert to fraction form
    51,054.57/70,451.23 = 28,393.61/x
  3. Step 3: Cross multiply
    51,054.57x = 70,451.23 × 28,393.61
  4. Step 4: Simplify right side
    51,054.57x = 2,000,364,642.83
  5. Step 5: Solve for x
    x = 2,000,364,642.83/51,054.57
  6. Step 6: Final answer
    x = 39,180.91

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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.