Home / 48,411.93-72,646.32-20,329.82

Finding the Fourth Proportional to 48,411.93, 72,646.32 and 20,329.82

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Solution

The fourth proportional to 48,411.93, 72,646.32 and 20,329.82 is: 30,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,411.93 : 72,646.32 = 20,329.82 : x
  2. Step 2: Convert to fraction form
    48,411.93/72,646.32 = 20,329.82/x
  3. Step 3: Cross multiply
    48,411.93x = 72,646.32 × 20,329.82
  4. Step 4: Simplify right side
    48,411.93x = 1,476,886,609.26
  5. Step 5: Solve for x
    x = 1,476,886,609.26/48,411.93
  6. Step 6: Final answer
    x = 30,506.67

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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.