Home / 38,776.80-53,503.69-22,636.79

Finding the Fourth Proportional to 38,776.80, 53,503.69 and 22,636.79

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Solution

The fourth proportional to 38,776.80, 53,503.69 and 22,636.79 is: 31,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.80 : 53,503.69 = 22,636.79 : x
  2. Step 2: Convert to fraction form
    38,776.80/53,503.69 = 22,636.79/x
  3. Step 3: Cross multiply
    38,776.80x = 53,503.69 × 22,636.79
  4. Step 4: Simplify right side
    38,776.80x = 1,211,151,648.34
  5. Step 5: Solve for x
    x = 1,211,151,648.34/38,776.80
  6. Step 6: Final answer
    x = 31,233.92

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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.