Home / 63,033.12-94,555.76-20,904.21

Finding the Fourth Proportional to 63,033.12, 94,555.76 and 20,904.21

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Solution

The fourth proportional to 63,033.12, 94,555.76 and 20,904.21 is: 31,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.12 : 94,555.76 = 20,904.21 : x
  2. Step 2: Convert to fraction form
    63,033.12/94,555.76 = 20,904.21/x
  3. Step 3: Cross multiply
    63,033.12x = 94,555.76 × 20,904.21
  4. Step 4: Simplify right side
    63,033.12x = 1,976,613,359.23
  5. Step 5: Solve for x
    x = 1,976,613,359.23/63,033.12
  6. Step 6: Final answer
    x = 31,358.33

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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.