Home / 53,615.81-80,384.30-25,555.56

Finding the Fourth Proportional to 53,615.81, 80,384.30 and 25,555.56

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Solution

The fourth proportional to 53,615.81, 80,384.30 and 25,555.56 is: 38,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,615.81 : 80,384.30 = 25,555.56 : x
  2. Step 2: Convert to fraction form
    53,615.81/80,384.30 = 25,555.56/x
  3. Step 3: Cross multiply
    53,615.81x = 80,384.30 × 25,555.56
  4. Step 4: Simplify right side
    53,615.81x = 2,054,265,673.93
  5. Step 5: Solve for x
    x = 2,054,265,673.93/53,615.81
  6. Step 6: Final answer
    x = 38,314.55

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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.