Home / 51,028.03-70,424.51-28,369.27

Finding the Fourth Proportional to 51,028.03, 70,424.51 and 28,369.27

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Solution

The fourth proportional to 51,028.03, 70,424.51 and 28,369.27 is: 39,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.03 : 70,424.51 = 28,369.27 : x
  2. Step 2: Convert to fraction form
    51,028.03/70,424.51 = 28,369.27/x
  3. Step 3: Cross multiply
    51,028.03x = 70,424.51 × 28,369.27
  4. Step 4: Simplify right side
    51,028.03x = 1,997,891,444.84
  5. Step 5: Solve for x
    x = 1,997,891,444.84/51,028.03
  6. Step 6: Final answer
    x = 39,152.83

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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.