Home / 50,602.20-75,903.30-21,004.80

Finding the Fourth Proportional to 50,602.20, 75,903.30 and 21,004.80

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Solution

The fourth proportional to 50,602.20, 75,903.30 and 21,004.80 is: 31,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,602.20 : 75,903.30 = 21,004.80 : x
  2. Step 2: Convert to fraction form
    50,602.20/75,903.30 = 21,004.80/x
  3. Step 3: Cross multiply
    50,602.20x = 75,903.30 × 21,004.80
  4. Step 4: Simplify right side
    50,602.20x = 1,594,333,635.84
  5. Step 5: Solve for x
    x = 1,594,333,635.84/50,602.20
  6. Step 6: Final answer
    x = 31,507.20

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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.