Home / 38,880.72-58,283.52-12,567.60

Finding the Fourth Proportional to 38,880.72, 58,283.52 and 12,567.60

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Solution

The fourth proportional to 38,880.72, 58,283.52 and 12,567.60 is: 18,839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.72 : 58,283.52 = 12,567.60 : x
  2. Step 2: Convert to fraction form
    38,880.72/58,283.52 = 12,567.60/x
  3. Step 3: Cross multiply
    38,880.72x = 58,283.52 × 12,567.60
  4. Step 4: Simplify right side
    38,880.72x = 732,483,965.95
  5. Step 5: Solve for x
    x = 732,483,965.95/38,880.72
  6. Step 6: Final answer
    x = 18,839.26

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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.