Home / 40,137.15-55,384.02-23,142.03

Finding the Fourth Proportional to 40,137.15, 55,384.02 and 23,142.03

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Solution

The fourth proportional to 40,137.15, 55,384.02 and 23,142.03 is: 31,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.15 : 55,384.02 = 23,142.03 : x
  2. Step 2: Convert to fraction form
    40,137.15/55,384.02 = 23,142.03/x
  3. Step 3: Cross multiply
    40,137.15x = 55,384.02 × 23,142.03
  4. Step 4: Simplify right side
    40,137.15x = 1,281,698,652.36
  5. Step 5: Solve for x
    x = 1,281,698,652.36/40,137.15
  6. Step 6: Final answer
    x = 31,932.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.