Home / 53,358.80-73,636.70-31,861.13

Finding the Fourth Proportional to 53,358.80, 73,636.70 and 31,861.13

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Solution

The fourth proportional to 53,358.80, 73,636.70 and 31,861.13 is: 43,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,358.80 : 73,636.70 = 31,861.13 : x
  2. Step 2: Convert to fraction form
    53,358.80/73,636.70 = 31,861.13/x
  3. Step 3: Cross multiply
    53,358.80x = 73,636.70 × 31,861.13
  4. Step 4: Simplify right side
    53,358.80x = 2,346,147,943.98
  5. Step 5: Solve for x
    x = 2,346,147,943.98/53,358.80
  6. Step 6: Final answer
    x = 43,969.28

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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.