Home / 40,555.53-56,005.11-38,346.66

Finding the Fourth Proportional to 40,555.53, 56,005.11 and 38,346.66

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Solution

The fourth proportional to 40,555.53, 56,005.11 and 38,346.66 is: 52,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.53 : 56,005.11 = 38,346.66 : x
  2. Step 2: Convert to fraction form
    40,555.53/56,005.11 = 38,346.66/x
  3. Step 3: Cross multiply
    40,555.53x = 56,005.11 × 38,346.66
  4. Step 4: Simplify right side
    40,555.53x = 2,147,608,911.43
  5. Step 5: Solve for x
    x = 2,147,608,911.43/40,555.53
  6. Step 6: Final answer
    x = 52,954.77

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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.