Home / 43,501.28-65,307-36,195.08

Finding the Fourth Proportional to 43,501.28, 65,307 and 36,195.08

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Solution

The fourth proportional to 43,501.28, 65,307 and 36,195.08 is: 54,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.28 : 65,307 = 36,195.08 : x
  2. Step 2: Convert to fraction form
    43,501.28/65,307 = 36,195.08/x
  3. Step 3: Cross multiply
    43,501.28x = 65,307 × 36,195.08
  4. Step 4: Simplify right side
    43,501.28x = 2,363,792,089.56
  5. Step 5: Solve for x
    x = 2,363,792,089.56/43,501.28
  6. Step 6: Final answer
    x = 54,338.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.