Home / 31,492.75-47,008.70-27,756.18

Finding the Fourth Proportional to 31,492.75, 47,008.70 and 27,756.18

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Solution

The fourth proportional to 31,492.75, 47,008.70 and 27,756.18 is: 41,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.75 : 47,008.70 = 27,756.18 : x
  2. Step 2: Convert to fraction form
    31,492.75/47,008.70 = 27,756.18/x
  3. Step 3: Cross multiply
    31,492.75x = 47,008.70 × 27,756.18
  4. Step 4: Simplify right side
    31,492.75x = 1,304,782,096.30
  5. Step 5: Solve for x
    x = 1,304,782,096.30/31,492.75
  6. Step 6: Final answer
    x = 41,431.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.