Home / 53,880.41-74,357.28-30,007.09

Finding the Fourth Proportional to 53,880.41, 74,357.28 and 30,007.09

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Solution

The fourth proportional to 53,880.41, 74,357.28 and 30,007.09 is: 41,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.41 : 74,357.28 = 30,007.09 : x
  2. Step 2: Convert to fraction form
    53,880.41/74,357.28 = 30,007.09/x
  3. Step 3: Cross multiply
    53,880.41x = 74,357.28 × 30,007.09
  4. Step 4: Simplify right side
    53,880.41x = 2,231,245,294.70
  5. Step 5: Solve for x
    x = 2,231,245,294.70/53,880.41
  6. Step 6: Final answer
    x = 41,411.07

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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.