Home / 29,820.34-41,151.40-16,390.95

Finding the Fourth Proportional to 29,820.34, 41,151.40 and 16,390.95

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Solution

The fourth proportional to 29,820.34, 41,151.40 and 16,390.95 is: 22,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.34 : 41,151.40 = 16,390.95 : x
  2. Step 2: Convert to fraction form
    29,820.34/41,151.40 = 16,390.95/x
  3. Step 3: Cross multiply
    29,820.34x = 41,151.40 × 16,390.95
  4. Step 4: Simplify right side
    29,820.34x = 674,510,539.83
  5. Step 5: Solve for x
    x = 674,510,539.83/29,820.34
  6. Step 6: Final answer
    x = 22,619.14

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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.