Home / 81,492.30-122,259.24-25,332.89

Finding the Fourth Proportional to 81,492.30, 122,259.24 and 25,332.89

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Solution

The fourth proportional to 81,492.30, 122,259.24 and 25,332.89 is: 38,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492.30 : 122,259.24 = 25,332.89 : x
  2. Step 2: Convert to fraction form
    81,492.30/122,259.24 = 25,332.89/x
  3. Step 3: Cross multiply
    81,492.30x = 122,259.24 × 25,332.89
  4. Step 4: Simplify right side
    81,492.30x = 3,097,180,102.93
  5. Step 5: Solve for x
    x = 3,097,180,102.93/81,492.30
  6. Step 6: Final answer
    x = 38,005.80

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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.