Home / 53,214.75-73,435.55-29,340.81

Finding the Fourth Proportional to 53,214.75, 73,435.55 and 29,340.81

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Solution

The fourth proportional to 53,214.75, 73,435.55 and 29,340.81 is: 40,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.75 : 73,435.55 = 29,340.81 : x
  2. Step 2: Convert to fraction form
    53,214.75/73,435.55 = 29,340.81/x
  3. Step 3: Cross multiply
    53,214.75x = 73,435.55 × 29,340.81
  4. Step 4: Simplify right side
    53,214.75x = 2,154,658,373.09
  5. Step 5: Solve for x
    x = 2,154,658,373.09/53,214.75
  6. Step 6: Final answer
    x = 40,489.87

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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.