Home / 32,811.66-45,269.70-19,387.62

Finding the Fourth Proportional to 32,811.66, 45,269.70 and 19,387.62

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Solution

The fourth proportional to 32,811.66, 45,269.70 and 19,387.62 is: 26,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,811.66 : 45,269.70 = 19,387.62 : x
  2. Step 2: Convert to fraction form
    32,811.66/45,269.70 = 19,387.62/x
  3. Step 3: Cross multiply
    32,811.66x = 45,269.70 × 19,387.62
  4. Step 4: Simplify right side
    32,811.66x = 877,671,741.11
  5. Step 5: Solve for x
    x = 877,671,741.11/32,811.66
  6. Step 6: Final answer
    x = 26,748.78

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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.