Home / 50,989.64-76,495.40-21,390.41

Finding the Fourth Proportional to 50,989.64, 76,495.40 and 21,390.41

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Solution

The fourth proportional to 50,989.64, 76,495.40 and 21,390.41 is: 32,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.64 : 76,495.40 = 21,390.41 : x
  2. Step 2: Convert to fraction form
    50,989.64/76,495.40 = 21,390.41/x
  3. Step 3: Cross multiply
    50,989.64x = 76,495.40 × 21,390.41
  4. Step 4: Simplify right side
    50,989.64x = 1,636,267,969.11
  5. Step 5: Solve for x
    x = 1,636,267,969.11/50,989.64
  6. Step 6: Final answer
    x = 32,090.20

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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.