Home / 39,181.02-54,070.17-21,276.18

Finding the Fourth Proportional to 39,181.02, 54,070.17 and 21,276.18

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Solution

The fourth proportional to 39,181.02, 54,070.17 and 21,276.18 is: 29,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,181.02 : 54,070.17 = 21,276.18 : x
  2. Step 2: Convert to fraction form
    39,181.02/54,070.17 = 21,276.18/x
  3. Step 3: Cross multiply
    39,181.02x = 54,070.17 × 21,276.18
  4. Step 4: Simplify right side
    39,181.02x = 1,150,406,669.55
  5. Step 5: Solve for x
    x = 1,150,406,669.55/39,181.02
  6. Step 6: Final answer
    x = 29,361.33

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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.