Home / 29,434.40-44,086.80-20,621.60

Finding the Fourth Proportional to 29,434.40, 44,086.80 and 20,621.60

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Solution

The fourth proportional to 29,434.40, 44,086.80 and 20,621.60 is: 30,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,434.40 : 44,086.80 = 20,621.60 : x
  2. Step 2: Convert to fraction form
    29,434.40/44,086.80 = 20,621.60/x
  3. Step 3: Cross multiply
    29,434.40x = 44,086.80 × 20,621.60
  4. Step 4: Simplify right side
    29,434.40x = 909,140,354.88
  5. Step 5: Solve for x
    x = 909,140,354.88/29,434.40
  6. Step 6: Final answer
    x = 30,887.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.