Home / 35,900.64-49,541.04-19,985.04

Finding the Fourth Proportional to 35,900.64, 49,541.04 and 19,985.04

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Solution

The fourth proportional to 35,900.64, 49,541.04 and 19,985.04 is: 27,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,900.64 : 49,541.04 = 19,985.04 : x
  2. Step 2: Convert to fraction form
    35,900.64/49,541.04 = 19,985.04/x
  3. Step 3: Cross multiply
    35,900.64x = 49,541.04 × 19,985.04
  4. Step 4: Simplify right side
    35,900.64x = 990,079,666.04
  5. Step 5: Solve for x
    x = 990,079,666.04/35,900.64
  6. Step 6: Final answer
    x = 27,578.33

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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.