Home / 45,869.40-63,330.72-28,668.06

Finding the Fourth Proportional to 45,869.40, 63,330.72 and 28,668.06

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Solution

The fourth proportional to 45,869.40, 63,330.72 and 28,668.06 is: 39,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,869.40 : 63,330.72 = 28,668.06 : x
  2. Step 2: Convert to fraction form
    45,869.40/63,330.72 = 28,668.06/x
  3. Step 3: Cross multiply
    45,869.40x = 63,330.72 × 28,668.06
  4. Step 4: Simplify right side
    45,869.40x = 1,815,568,880.80
  5. Step 5: Solve for x
    x = 1,815,568,880.80/45,869.40
  6. Step 6: Final answer
    x = 39,581.27

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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.