Home / 30,594.34-42,233.14-18,661.96

Finding the Fourth Proportional to 30,594.34, 42,233.14 and 18,661.96

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Solution

The fourth proportional to 30,594.34, 42,233.14 and 18,661.96 is: 25,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,594.34 : 42,233.14 = 18,661.96 : x
  2. Step 2: Convert to fraction form
    30,594.34/42,233.14 = 18,661.96/x
  3. Step 3: Cross multiply
    30,594.34x = 42,233.14 × 18,661.96
  4. Step 4: Simplify right side
    30,594.34x = 788,153,169.35
  5. Step 5: Solve for x
    x = 788,153,169.35/30,594.34
  6. Step 6: Final answer
    x = 25,761.40

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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.