Home / 32,860.36-45,352.50-20,929

Finding the Fourth Proportional to 32,860.36, 45,352.50 and 20,929

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Solution

The fourth proportional to 32,860.36, 45,352.50 and 20,929 is: 28,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860.36 : 45,352.50 = 20,929 : x
  2. Step 2: Convert to fraction form
    32,860.36/45,352.50 = 20,929/x
  3. Step 3: Cross multiply
    32,860.36x = 45,352.50 × 20,929
  4. Step 4: Simplify right side
    32,860.36x = 949,182,472.50
  5. Step 5: Solve for x
    x = 949,182,472.50/32,860.36
  6. Step 6: Final answer
    x = 28,885.33

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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.