Home / 30,569.48-42,177.87-17,645.58

Finding the Fourth Proportional to 30,569.48, 42,177.87 and 17,645.58

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Solution

The fourth proportional to 30,569.48, 42,177.87 and 17,645.58 is: 24,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.48 : 42,177.87 = 17,645.58 : x
  2. Step 2: Convert to fraction form
    30,569.48/42,177.87 = 17,645.58/x
  3. Step 3: Cross multiply
    30,569.48x = 42,177.87 × 17,645.58
  4. Step 4: Simplify right side
    30,569.48x = 744,252,902.75
  5. Step 5: Solve for x
    x = 744,252,902.75/30,569.48
  6. Step 6: Final answer
    x = 24,346.28

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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.