Home / 39,555.28-59,342.64-11,853.28

Finding the Fourth Proportional to 39,555.28, 59,342.64 and 11,853.28

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Solution

The fourth proportional to 39,555.28, 59,342.64 and 11,853.28 is: 17,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.28 : 59,342.64 = 11,853.28 : x
  2. Step 2: Convert to fraction form
    39,555.28/59,342.64 = 11,853.28/x
  3. Step 3: Cross multiply
    39,555.28x = 59,342.64 × 11,853.28
  4. Step 4: Simplify right side
    39,555.28x = 703,405,046.49
  5. Step 5: Solve for x
    x = 703,405,046.49/39,555.28
  6. Step 6: Final answer
    x = 17,782.84

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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.