Home / 53,274.37-73,534-31,490.83

Finding the Fourth Proportional to 53,274.37, 73,534 and 31,490.83

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Solution

The fourth proportional to 53,274.37, 73,534 and 31,490.83 is: 43,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,274.37 : 73,534 = 31,490.83 : x
  2. Step 2: Convert to fraction form
    53,274.37/73,534 = 31,490.83/x
  3. Step 3: Cross multiply
    53,274.37x = 73,534 × 31,490.83
  4. Step 4: Simplify right side
    53,274.37x = 2,315,646,693.22
  5. Step 5: Solve for x
    x = 2,315,646,693.22/53,274.37
  6. Step 6: Final answer
    x = 43,466.43

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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.