Home / 51,349.26-70,860.67-28,688.42

Finding the Fourth Proportional to 51,349.26, 70,860.67 and 28,688.42

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Solution

The fourth proportional to 51,349.26, 70,860.67 and 28,688.42 is: 39,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,349.26 : 70,860.67 = 28,688.42 : x
  2. Step 2: Convert to fraction form
    51,349.26/70,860.67 = 28,688.42/x
  3. Step 3: Cross multiply
    51,349.26x = 70,860.67 × 28,688.42
  4. Step 4: Simplify right side
    51,349.26x = 2,032,880,289.13
  5. Step 5: Solve for x
    x = 2,032,880,289.13/51,349.26
  6. Step 6: Final answer
    x = 39,589.28

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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.