Home / 29,913.60-41,283.84-17,980.80

Finding the Fourth Proportional to 29,913.60, 41,283.84 and 17,980.80

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Solution

The fourth proportional to 29,913.60, 41,283.84 and 17,980.80 is: 24,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.60 : 41,283.84 = 17,980.80 : x
  2. Step 2: Convert to fraction form
    29,913.60/41,283.84 = 17,980.80/x
  3. Step 3: Cross multiply
    29,913.60x = 41,283.84 × 17,980.80
  4. Step 4: Simplify right side
    29,913.60x = 742,316,470.27
  5. Step 5: Solve for x
    x = 742,316,470.27/29,913.60
  6. Step 6: Final answer
    x = 24,815.35

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1.5x scale

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.