Home / 30,875.79-42,608.03-17,446.75

Finding the Fourth Proportional to 30,875.79, 42,608.03 and 17,446.75

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Solution

The fourth proportional to 30,875.79, 42,608.03 and 17,446.75 is: 24,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.79 : 42,608.03 = 17,446.75 : x
  2. Step 2: Convert to fraction form
    30,875.79/42,608.03 = 17,446.75/x
  3. Step 3: Cross multiply
    30,875.79x = 42,608.03 × 17,446.75
  4. Step 4: Simplify right side
    30,875.79x = 743,371,598.96
  5. Step 5: Solve for x
    x = 743,371,598.96/30,875.79
  6. Step 6: Final answer
    x = 24,076.20

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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.