Home / 64,290.28-88,706.26-38,800.80

Finding the Fourth Proportional to 64,290.28, 88,706.26 and 38,800.80

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Solution

The fourth proportional to 64,290.28, 88,706.26 and 38,800.80 is: 53,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290.28 : 88,706.26 = 38,800.80 : x
  2. Step 2: Convert to fraction form
    64,290.28/88,706.26 = 38,800.80/x
  3. Step 3: Cross multiply
    64,290.28x = 88,706.26 × 38,800.80
  4. Step 4: Simplify right side
    64,290.28x = 3,441,873,853.01
  5. Step 5: Solve for x
    x = 3,441,873,853.01/64,290.28
  6. Step 6: Final answer
    x = 53,536.46

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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.