Home / 56,983.02-85,478.18-21,922.68

Finding the Fourth Proportional to 56,983.02, 85,478.18 and 21,922.68

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Solution

The fourth proportional to 56,983.02, 85,478.18 and 21,922.68 is: 32,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,983.02 : 85,478.18 = 21,922.68 : x
  2. Step 2: Convert to fraction form
    56,983.02/85,478.18 = 21,922.68/x
  3. Step 3: Cross multiply
    56,983.02x = 85,478.18 × 21,922.68
  4. Step 4: Simplify right side
    56,983.02x = 1,873,910,787.12
  5. Step 5: Solve for x
    x = 1,873,910,787.12/56,983.02
  6. Step 6: Final answer
    x = 32,885.42

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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.