Home / 32,756.86-45,191.33-20,653.36

Finding the Fourth Proportional to 32,756.86, 45,191.33 and 20,653.36

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Solution

The fourth proportional to 32,756.86, 45,191.33 and 20,653.36 is: 28,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,756.86 : 45,191.33 = 20,653.36 : x
  2. Step 2: Convert to fraction form
    32,756.86/45,191.33 = 20,653.36/x
  3. Step 3: Cross multiply
    32,756.86x = 45,191.33 × 20,653.36
  4. Step 4: Simplify right side
    32,756.86x = 933,352,581.41
  5. Step 5: Solve for x
    x = 933,352,581.41/32,756.86
  6. Step 6: Final answer
    x = 28,493.35

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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.