Home / 51,530.49-77,283.30-21,528.52

Finding the Fourth Proportional to 51,530.49, 77,283.30 and 21,528.52

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Solution

The fourth proportional to 51,530.49, 77,283.30 and 21,528.52 is: 32,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,530.49 : 77,283.30 = 21,528.52 : x
  2. Step 2: Convert to fraction form
    51,530.49/77,283.30 = 21,528.52/x
  3. Step 3: Cross multiply
    51,530.49x = 77,283.30 × 21,528.52
  4. Step 4: Simplify right side
    51,530.49x = 1,663,795,069.72
  5. Step 5: Solve for x
    x = 1,663,795,069.72/51,530.49
  6. Step 6: Final answer
    x = 32,287.58

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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.