Home / 51,892.16-71,598-31,741.68

Finding the Fourth Proportional to 51,892.16, 71,598 and 31,741.68

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Solution

The fourth proportional to 51,892.16, 71,598 and 31,741.68 is: 43,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.16 : 71,598 = 31,741.68 : x
  2. Step 2: Convert to fraction form
    51,892.16/71,598 = 31,741.68/x
  3. Step 3: Cross multiply
    51,892.16x = 71,598 × 31,741.68
  4. Step 4: Simplify right side
    51,892.16x = 2,272,640,804.64
  5. Step 5: Solve for x
    x = 2,272,640,804.64/51,892.16
  6. Step 6: Final answer
    x = 43,795.46

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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.