Home / 53,211.21-73,431.95-29,338.74

Finding the Fourth Proportional to 53,211.21, 73,431.95 and 29,338.74

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Solution

The fourth proportional to 53,211.21, 73,431.95 and 29,338.74 is: 40,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,211.21 : 73,431.95 = 29,338.74 : x
  2. Step 2: Convert to fraction form
    53,211.21/73,431.95 = 29,338.74/x
  3. Step 3: Cross multiply
    53,211.21x = 73,431.95 × 29,338.74
  4. Step 4: Simplify right side
    53,211.21x = 2,154,400,742.05
  5. Step 5: Solve for x
    x = 2,154,400,742.05/53,211.21
  6. Step 6: Final answer
    x = 40,487.72

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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.