Home / 53,149.32-73,338.36-30,489.26

Finding the Fourth Proportional to 53,149.32, 73,338.36 and 30,489.26

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Solution

The fourth proportional to 53,149.32, 73,338.36 and 30,489.26 is: 42,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.32 : 73,338.36 = 30,489.26 : x
  2. Step 2: Convert to fraction form
    53,149.32/73,338.36 = 30,489.26/x
  3. Step 3: Cross multiply
    53,149.32x = 73,338.36 × 30,489.26
  4. Step 4: Simplify right side
    53,149.32x = 2,236,032,326.01
  5. Step 5: Solve for x
    x = 2,236,032,326.01/53,149.32
  6. Step 6: Final answer
    x = 42,070.76

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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.