Home / 51,055.11-70,454.70-28,392.93

Finding the Fourth Proportional to 51,055.11, 70,454.70 and 28,392.93

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Solution

The fourth proportional to 51,055.11, 70,454.70 and 28,392.93 is: 39,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.11 : 70,454.70 = 28,392.93 : x
  2. Step 2: Convert to fraction form
    51,055.11/70,454.70 = 28,392.93/x
  3. Step 3: Cross multiply
    51,055.11x = 70,454.70 × 28,392.93
  4. Step 4: Simplify right side
    51,055.11x = 2,000,415,365.27
  5. Step 5: Solve for x
    x = 2,000,415,365.27/51,055.11
  6. Step 6: Final answer
    x = 39,181.49

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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.