Home / 63,570.13-87,743.80-39,682.42

Finding the Fourth Proportional to 63,570.13, 87,743.80 and 39,682.42

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Solution

The fourth proportional to 63,570.13, 87,743.80 and 39,682.42 is: 54,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,570.13 : 87,743.80 = 39,682.42 : x
  2. Step 2: Convert to fraction form
    63,570.13/87,743.80 = 39,682.42/x
  3. Step 3: Cross multiply
    63,570.13x = 87,743.80 × 39,682.42
  4. Step 4: Simplify right side
    63,570.13x = 3,481,886,324.00
  5. Step 5: Solve for x
    x = 3,481,886,324.00/63,570.13
  6. Step 6: Final answer
    x = 54,772.36

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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.