Home / 53,239.12-73,464.15-29,364.28

Finding the Fourth Proportional to 53,239.12, 73,464.15 and 29,364.28

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Solution

The fourth proportional to 53,239.12, 73,464.15 and 29,364.28 is: 40,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.12 : 73,464.15 = 29,364.28 : x
  2. Step 2: Convert to fraction form
    53,239.12/73,464.15 = 29,364.28/x
  3. Step 3: Cross multiply
    53,239.12x = 73,464.15 × 29,364.28
  4. Step 4: Simplify right side
    53,239.12x = 2,157,221,870.56
  5. Step 5: Solve for x
    x = 2,157,221,870.56/53,239.12
  6. Step 6: Final answer
    x = 40,519.49

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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.