Home / 38,206.48-52,722.29-21,209.38

Finding the Fourth Proportional to 38,206.48, 52,722.29 and 21,209.38

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Solution

The fourth proportional to 38,206.48, 52,722.29 and 21,209.38 is: 29,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206.48 : 52,722.29 = 21,209.38 : x
  2. Step 2: Convert to fraction form
    38,206.48/52,722.29 = 21,209.38/x
  3. Step 3: Cross multiply
    38,206.48x = 52,722.29 × 21,209.38
  4. Step 4: Simplify right side
    38,206.48x = 1,118,207,004.30
  5. Step 5: Solve for x
    x = 1,118,207,004.30/38,206.48
  6. Step 6: Final answer
    x = 29,267.47

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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.