Home / 38,242.10-57,363.15-11,946.87

Finding the Fourth Proportional to 38,242.10, 57,363.15 and 11,946.87

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Solution

The fourth proportional to 38,242.10, 57,363.15 and 11,946.87 is: 17,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,242.10 : 57,363.15 = 11,946.87 : x
  2. Step 2: Convert to fraction form
    38,242.10/57,363.15 = 11,946.87/x
  3. Step 3: Cross multiply
    38,242.10x = 57,363.15 × 11,946.87
  4. Step 4: Simplify right side
    38,242.10x = 685,310,095.84
  5. Step 5: Solve for x
    x = 685,310,095.84/38,242.10
  6. Step 6: Final answer
    x = 17,920.31

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1.5x scale

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.