Home / 48,907.49-67,492.61-28,765.22

Finding the Fourth Proportional to 48,907.49, 67,492.61 and 28,765.22

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Solution

The fourth proportional to 48,907.49, 67,492.61 and 28,765.22 is: 39,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.49 : 67,492.61 = 28,765.22 : x
  2. Step 2: Convert to fraction form
    48,907.49/67,492.61 = 28,765.22/x
  3. Step 3: Cross multiply
    48,907.49x = 67,492.61 × 28,765.22
  4. Step 4: Simplify right side
    48,907.49x = 1,941,439,509.47
  5. Step 5: Solve for x
    x = 1,941,439,509.47/48,907.49
  6. Step 6: Final answer
    x = 39,696.16

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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.