Home / 30,635.18-45,920.10-17,459.18

Finding the Fourth Proportional to 30,635.18, 45,920.10 and 17,459.18

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Solution

The fourth proportional to 30,635.18, 45,920.10 and 17,459.18 is: 26,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.18 : 45,920.10 = 17,459.18 : x
  2. Step 2: Convert to fraction form
    30,635.18/45,920.10 = 17,459.18/x
  3. Step 3: Cross multiply
    30,635.18x = 45,920.10 × 17,459.18
  4. Step 4: Simplify right side
    30,635.18x = 801,727,471.79
  5. Step 5: Solve for x
    x = 801,727,471.79/30,635.18
  6. Step 6: Final answer
    x = 26,170.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.