Home / 55,542.02-83,312.94-13,989.02

Finding the Fourth Proportional to 55,542.02, 83,312.94 and 13,989.02

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Solution

The fourth proportional to 55,542.02, 83,312.94 and 13,989.02 is: 20,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.02 : 83,312.94 = 13,989.02 : x
  2. Step 2: Convert to fraction form
    55,542.02/83,312.94 = 13,989.02/x
  3. Step 3: Cross multiply
    55,542.02x = 83,312.94 × 13,989.02
  4. Step 4: Simplify right side
    55,542.02x = 1,165,466,383.92
  5. Step 5: Solve for x
    x = 1,165,466,383.92/55,542.02
  6. Step 6: Final answer
    x = 20,983.51

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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.