Home / 30,395.70-41,950.93-17,820.45

Finding the Fourth Proportional to 30,395.70, 41,950.93 and 17,820.45

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Solution

The fourth proportional to 30,395.70, 41,950.93 and 17,820.45 is: 24,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.70 : 41,950.93 = 17,820.45 : x
  2. Step 2: Convert to fraction form
    30,395.70/41,950.93 = 17,820.45/x
  3. Step 3: Cross multiply
    30,395.70x = 41,950.93 × 17,820.45
  4. Step 4: Simplify right side
    30,395.70x = 747,584,450.52
  5. Step 5: Solve for x
    x = 747,584,450.52/30,395.70
  6. Step 6: Final answer
    x = 24,595.07

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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.