Home / 51,028.29-70,418.66-28,369.35

Finding the Fourth Proportional to 51,028.29, 70,418.66 and 28,369.35

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Solution

The fourth proportional to 51,028.29, 70,418.66 and 28,369.35 is: 39,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.29 : 70,418.66 = 28,369.35 : x
  2. Step 2: Convert to fraction form
    51,028.29/70,418.66 = 28,369.35/x
  3. Step 3: Cross multiply
    51,028.29x = 70,418.66 × 28,369.35
  4. Step 4: Simplify right side
    51,028.29x = 1,997,731,612.07
  5. Step 5: Solve for x
    x = 1,997,731,612.07/51,028.29
  6. Step 6: Final answer
    x = 39,149.49

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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.