Home / 53,671.56-74,015.28-34,531.80

Finding the Fourth Proportional to 53,671.56, 74,015.28 and 34,531.80

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Solution

The fourth proportional to 53,671.56, 74,015.28 and 34,531.80 is: 47,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,671.56 : 74,015.28 = 34,531.80 : x
  2. Step 2: Convert to fraction form
    53,671.56/74,015.28 = 34,531.80/x
  3. Step 3: Cross multiply
    53,671.56x = 74,015.28 × 34,531.80
  4. Step 4: Simplify right side
    53,671.56x = 2,555,880,845.90
  5. Step 5: Solve for x
    x = 2,555,880,845.90/53,671.56
  6. Step 6: Final answer
    x = 47,620.77

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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.