Home / 32,811.86-45,283.76-20,073.53

Finding the Fourth Proportional to 32,811.86, 45,283.76 and 20,073.53

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Solution

The fourth proportional to 32,811.86, 45,283.76 and 20,073.53 is: 27,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.86 : 45,283.76 = 20,073.53 : x
  2. Step 2: Convert to fraction form
    32,811.86/45,283.76 = 20,073.53/x
  3. Step 3: Cross multiply
    32,811.86x = 45,283.76 × 20,073.53
  4. Step 4: Simplify right side
    32,811.86x = 909,004,776.28
  5. Step 5: Solve for x
    x = 909,004,776.28/32,811.86
  6. Step 6: Final answer
    x = 27,703.55

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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.