Home / 35,785.44-49,397.10-30,729.30

Finding the Fourth Proportional to 35,785.44, 49,397.10 and 30,729.30

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Solution

The fourth proportional to 35,785.44, 49,397.10 and 30,729.30 is: 42,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.44 : 49,397.10 = 30,729.30 : x
  2. Step 2: Convert to fraction form
    35,785.44/49,397.10 = 30,729.30/x
  3. Step 3: Cross multiply
    35,785.44x = 49,397.10 × 30,729.30
  4. Step 4: Simplify right side
    35,785.44x = 1,517,938,305.03
  5. Step 5: Solve for x
    x = 1,517,938,305.03/35,785.44
  6. Step 6: Final answer
    x = 42,417.76

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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.