Home / 53,431.38-73,723.37-31,915.35

Finding the Fourth Proportional to 53,431.38, 73,723.37 and 31,915.35

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Solution

The fourth proportional to 53,431.38, 73,723.37 and 31,915.35 is: 44,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.38 : 73,723.37 = 31,915.35 : x
  2. Step 2: Convert to fraction form
    53,431.38/73,723.37 = 31,915.35/x
  3. Step 3: Cross multiply
    53,431.38x = 73,723.37 × 31,915.35
  4. Step 4: Simplify right side
    53,431.38x = 2,352,906,997.15
  5. Step 5: Solve for x
    x = 2,352,906,997.15/53,431.38
  6. Step 6: Final answer
    x = 44,036.05

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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.