Home / 52,719.04-78,950.58-28,990.36

Finding the Fourth Proportional to 52,719.04, 78,950.58 and 28,990.36

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Solution

The fourth proportional to 52,719.04, 78,950.58 and 28,990.36 is: 43,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.04 : 78,950.58 = 28,990.36 : x
  2. Step 2: Convert to fraction form
    52,719.04/78,950.58 = 28,990.36/x
  3. Step 3: Cross multiply
    52,719.04x = 78,950.58 × 28,990.36
  4. Step 4: Simplify right side
    52,719.04x = 2,288,805,736.41
  5. Step 5: Solve for x
    x = 2,288,805,736.41/52,719.04
  6. Step 6: Final answer
    x = 43,415.16

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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.