Home / 48,458.19-72,673.23-18,869.43

Finding the Fourth Proportional to 48,458.19, 72,673.23 and 18,869.43

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Solution

The fourth proportional to 48,458.19, 72,673.23 and 18,869.43 is: 28,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,458.19 : 72,673.23 = 18,869.43 : x
  2. Step 2: Convert to fraction form
    48,458.19/72,673.23 = 18,869.43/x
  3. Step 3: Cross multiply
    48,458.19x = 72,673.23 × 18,869.43
  4. Step 4: Simplify right side
    48,458.19x = 1,371,302,426.36
  5. Step 5: Solve for x
    x = 1,371,302,426.36/48,458.19
  6. Step 6: Final answer
    x = 28,298.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.