Home / 53,215.58-73,438.02-29,343.20

Finding the Fourth Proportional to 53,215.58, 73,438.02 and 29,343.20

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Solution

The fourth proportional to 53,215.58, 73,438.02 and 29,343.20 is: 40,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.58 : 73,438.02 = 29,343.20 : x
  2. Step 2: Convert to fraction form
    53,215.58/73,438.02 = 29,343.20/x
  3. Step 3: Cross multiply
    53,215.58x = 73,438.02 × 29,343.20
  4. Step 4: Simplify right side
    53,215.58x = 2,154,906,508.46
  5. Step 5: Solve for x
    x = 2,154,906,508.46/53,215.58
  6. Step 6: Final answer
    x = 40,493.90

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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.