Home / 53,215.60-73,438.04-29,343.12

Finding the Fourth Proportional to 53,215.60, 73,438.04 and 29,343.12

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Solution

The fourth proportional to 53,215.60, 73,438.04 and 29,343.12 is: 40,493.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.60 : 73,438.04 = 29,343.12 : x
  2. Step 2: Convert to fraction form
    53,215.60/73,438.04 = 29,343.12/x
  3. Step 3: Cross multiply
    53,215.60x = 73,438.04 × 29,343.12
  4. Step 4: Simplify right side
    53,215.60x = 2,154,901,220.28
  5. Step 5: Solve for x
    x = 2,154,901,220.28/53,215.60
  6. Step 6: Final answer
    x = 40,493.79

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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.