Home / 35,479.02-48,968.13-20,382.04

Finding the Fourth Proportional to 35,479.02, 48,968.13 and 20,382.04

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Solution

The fourth proportional to 35,479.02, 48,968.13 and 20,382.04 is: 28,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.02 : 48,968.13 = 20,382.04 : x
  2. Step 2: Convert to fraction form
    35,479.02/48,968.13 = 20,382.04/x
  3. Step 3: Cross multiply
    35,479.02x = 48,968.13 × 20,382.04
  4. Step 4: Simplify right side
    35,479.02x = 998,070,384.39
  5. Step 5: Solve for x
    x = 998,070,384.39/35,479.02
  6. Step 6: Final answer
    x = 28,131.28

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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.