Home / 29,330.60-40,444.12-21,790.92

Finding the Fourth Proportional to 29,330.60, 40,444.12 and 21,790.92

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Solution

The fourth proportional to 29,330.60, 40,444.12 and 21,790.92 is: 30,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.60 : 40,444.12 = 21,790.92 : x
  2. Step 2: Convert to fraction form
    29,330.60/40,444.12 = 21,790.92/x
  3. Step 3: Cross multiply
    29,330.60x = 40,444.12 × 21,790.92
  4. Step 4: Simplify right side
    29,330.60x = 881,314,583.39
  5. Step 5: Solve for x
    x = 881,314,583.39/29,330.60
  6. Step 6: Final answer
    x = 30,047.62

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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.