Home / 53,342.20-80,017.20-18,281.56

Finding the Fourth Proportional to 53,342.20, 80,017.20 and 18,281.56

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Solution

The fourth proportional to 53,342.20, 80,017.20 and 18,281.56 is: 27,423.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.20 : 80,017.20 = 18,281.56 : x
  2. Step 2: Convert to fraction form
    53,342.20/80,017.20 = 18,281.56/x
  3. Step 3: Cross multiply
    53,342.20x = 80,017.20 × 18,281.56
  4. Step 4: Simplify right side
    53,342.20x = 1,462,839,242.83
  5. Step 5: Solve for x
    x = 1,462,839,242.83/53,342.20
  6. Step 6: Final answer
    x = 27,423.68

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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.