Home / 48,477.18-66,876.64-28,325

Finding the Fourth Proportional to 48,477.18, 66,876.64 and 28,325

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Solution

The fourth proportional to 48,477.18, 66,876.64 and 28,325 is: 39,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.18 : 66,876.64 = 28,325 : x
  2. Step 2: Convert to fraction form
    48,477.18/66,876.64 = 28,325/x
  3. Step 3: Cross multiply
    48,477.18x = 66,876.64 × 28,325
  4. Step 4: Simplify right side
    48,477.18x = 1,894,280,828
  5. Step 5: Solve for x
    x = 1,894,280,828/48,477.18
  6. Step 6: Final answer
    x = 39,075.72

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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.