Home / 30,409.02-41,914.20-20,333.74

Finding the Fourth Proportional to 30,409.02, 41,914.20 and 20,333.74

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Solution

The fourth proportional to 30,409.02, 41,914.20 and 20,333.74 is: 28,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.02 : 41,914.20 = 20,333.74 : x
  2. Step 2: Convert to fraction form
    30,409.02/41,914.20 = 20,333.74/x
  3. Step 3: Cross multiply
    30,409.02x = 41,914.20 × 20,333.74
  4. Step 4: Simplify right side
    30,409.02x = 852,272,445.11
  5. Step 5: Solve for x
    x = 852,272,445.11/30,409.02
  6. Step 6: Final answer
    x = 28,026.96

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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.