Home / 53,453.16-73,760.36-31,938.63

Finding the Fourth Proportional to 53,453.16, 73,760.36 and 31,938.63

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Solution

The fourth proportional to 53,453.16, 73,760.36 and 31,938.63 is: 44,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,453.16 : 73,760.36 = 31,938.63 : x
  2. Step 2: Convert to fraction form
    53,453.16/73,760.36 = 31,938.63/x
  3. Step 3: Cross multiply
    53,453.16x = 73,760.36 × 31,938.63
  4. Step 4: Simplify right side
    53,453.16x = 2,355,804,318.21
  5. Step 5: Solve for x
    x = 2,355,804,318.21/53,453.16
  6. Step 6: Final answer
    x = 44,072.31

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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.