Home / 38,890.49-58,345.05-12,595.28

Finding the Fourth Proportional to 38,890.49, 58,345.05 and 12,595.28

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Solution

The fourth proportional to 38,890.49, 58,345.05 and 12,595.28 is: 18,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.49 : 58,345.05 = 12,595.28 : x
  2. Step 2: Convert to fraction form
    38,890.49/58,345.05 = 12,595.28/x
  3. Step 3: Cross multiply
    38,890.49x = 58,345.05 × 12,595.28
  4. Step 4: Simplify right side
    38,890.49x = 734,872,241.36
  5. Step 5: Solve for x
    x = 734,872,241.36/38,890.49
  6. Step 6: Final answer
    x = 18,895.94

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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.