Home / 30,161.68-41,624.76-19,560.40

Finding the Fourth Proportional to 30,161.68, 41,624.76 and 19,560.40

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Solution

The fourth proportional to 30,161.68, 41,624.76 and 19,560.40 is: 26,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.68 : 41,624.76 = 19,560.40 : x
  2. Step 2: Convert to fraction form
    30,161.68/41,624.76 = 19,560.40/x
  3. Step 3: Cross multiply
    30,161.68x = 41,624.76 × 19,560.40
  4. Step 4: Simplify right side
    30,161.68x = 814,196,955.50
  5. Step 5: Solve for x
    x = 814,196,955.50/30,161.68
  6. Step 6: Final answer
    x = 26,994.42

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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.