Home / 30,862.68-46,276.20-27,172.32

Finding the Fourth Proportional to 30,862.68, 46,276.20 and 27,172.32

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Solution

The fourth proportional to 30,862.68, 46,276.20 and 27,172.32 is: 40,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.68 : 46,276.20 = 27,172.32 : x
  2. Step 2: Convert to fraction form
    30,862.68/46,276.20 = 27,172.32/x
  3. Step 3: Cross multiply
    30,862.68x = 46,276.20 × 27,172.32
  4. Step 4: Simplify right side
    30,862.68x = 1,257,431,714.78
  5. Step 5: Solve for x
    x = 1,257,431,714.78/30,862.68
  6. Step 6: Final answer
    x = 40,742.79

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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.