Home / 81,090.32-121,647.12-24,935.15

Finding the Fourth Proportional to 81,090.32, 121,647.12 and 24,935.15

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Solution

The fourth proportional to 81,090.32, 121,647.12 and 24,935.15 is: 37,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,090.32 : 121,647.12 = 24,935.15 : x
  2. Step 2: Convert to fraction form
    81,090.32/121,647.12 = 24,935.15/x
  3. Step 3: Cross multiply
    81,090.32x = 121,647.12 × 24,935.15
  4. Step 4: Simplify right side
    81,090.32x = 3,033,289,184.27
  5. Step 5: Solve for x
    x = 3,033,289,184.27/81,090.32
  6. Step 6: Final answer
    x = 37,406.30

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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.