Home / 35,607.24-49,139.19-19,690.74

Finding the Fourth Proportional to 35,607.24, 49,139.19 and 19,690.74

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Solution

The fourth proportional to 35,607.24, 49,139.19 and 19,690.74 is: 27,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.24 : 49,139.19 = 19,690.74 : x
  2. Step 2: Convert to fraction form
    35,607.24/49,139.19 = 19,690.74/x
  3. Step 3: Cross multiply
    35,607.24x = 49,139.19 × 19,690.74
  4. Step 4: Simplify right side
    35,607.24x = 967,587,014.10
  5. Step 5: Solve for x
    x = 967,587,014.10/35,607.24
  6. Step 6: Final answer
    x = 27,173.88

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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.