Home / 51,030.50-70,424.49-28,369.87

Finding the Fourth Proportional to 51,030.50, 70,424.49 and 28,369.87

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Solution

The fourth proportional to 51,030.50, 70,424.49 and 28,369.87 is: 39,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,030.50 : 70,424.49 = 28,369.87 : x
  2. Step 2: Convert to fraction form
    51,030.50/70,424.49 = 28,369.87/x
  3. Step 3: Cross multiply
    51,030.50x = 70,424.49 × 28,369.87
  4. Step 4: Simplify right side
    51,030.50x = 1,997,933,273.99
  5. Step 5: Solve for x
    x = 1,997,933,273.99/51,030.50
  6. Step 6: Final answer
    x = 39,151.75

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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.