Home / 29,970.36-45,006.57-28,716.48

Finding the Fourth Proportional to 29,970.36, 45,006.57 and 28,716.48

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Solution

The fourth proportional to 29,970.36, 45,006.57 and 28,716.48 is: 43,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.36 : 45,006.57 = 28,716.48 : x
  2. Step 2: Convert to fraction form
    29,970.36/45,006.57 = 28,716.48/x
  3. Step 3: Cross multiply
    29,970.36x = 45,006.57 × 28,716.48
  4. Step 4: Simplify right side
    29,970.36x = 1,292,430,267.27
  5. Step 5: Solve for x
    x = 1,292,430,267.27/29,970.36
  6. Step 6: Final answer
    x = 43,123.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.