Home / 51,164.80-70,607.36-28,808.96

Finding the Fourth Proportional to 51,164.80, 70,607.36 and 28,808.96

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Solution

The fourth proportional to 51,164.80, 70,607.36 and 28,808.96 is: 39,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,164.80 : 70,607.36 = 28,808.96 : x
  2. Step 2: Convert to fraction form
    51,164.80/70,607.36 = 28,808.96/x
  3. Step 3: Cross multiply
    51,164.80x = 70,607.36 × 28,808.96
  4. Step 4: Simplify right side
    51,164.80x = 2,034,124,609.95
  5. Step 5: Solve for x
    x = 2,034,124,609.95/51,164.80
  6. Step 6: Final answer
    x = 39,756.33

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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.