Home / 30,590.19-42,195.06-22,104.77

Finding the Fourth Proportional to 30,590.19, 42,195.06 and 22,104.77

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Solution

The fourth proportional to 30,590.19, 42,195.06 and 22,104.77 is: 30,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.19 : 42,195.06 = 22,104.77 : x
  2. Step 2: Convert to fraction form
    30,590.19/42,195.06 = 22,104.77/x
  3. Step 3: Cross multiply
    30,590.19x = 42,195.06 × 22,104.77
  4. Step 4: Simplify right side
    30,590.19x = 932,711,885.46
  5. Step 5: Solve for x
    x = 932,711,885.46/30,590.19
  6. Step 6: Final answer
    x = 30,490.56

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Double scale
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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.