Home / 51,806.19-71,492.42-29,145.20

Finding the Fourth Proportional to 51,806.19, 71,492.42 and 29,145.20

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Solution

The fourth proportional to 51,806.19, 71,492.42 and 29,145.20 is: 40,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.19 : 71,492.42 = 29,145.20 : x
  2. Step 2: Convert to fraction form
    51,806.19/71,492.42 = 29,145.20/x
  3. Step 3: Cross multiply
    51,806.19x = 71,492.42 × 29,145.20
  4. Step 4: Simplify right side
    51,806.19x = 2,083,660,376.20
  5. Step 5: Solve for x
    x = 2,083,660,376.20/51,806.19
  6. Step 6: Final answer
    x = 40,220.30

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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.