Home / 30,274.96-45,422.04-16,416.40

Finding the Fourth Proportional to 30,274.96, 45,422.04 and 16,416.40

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Solution

The fourth proportional to 30,274.96, 45,422.04 and 16,416.40 is: 24,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.96 : 45,422.04 = 16,416.40 : x
  2. Step 2: Convert to fraction form
    30,274.96/45,422.04 = 16,416.40/x
  3. Step 3: Cross multiply
    30,274.96x = 45,422.04 × 16,416.40
  4. Step 4: Simplify right side
    30,274.96x = 745,666,377.46
  5. Step 5: Solve for x
    x = 745,666,377.46/30,274.96
  6. Step 6: Final answer
    x = 24,629.81

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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.