Home / 35,607.12-49,139.03-19,690.62

Finding the Fourth Proportional to 35,607.12, 49,139.03 and 19,690.62

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Solution

The fourth proportional to 35,607.12, 49,139.03 and 19,690.62 is: 27,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.12 : 49,139.03 = 19,690.62 : x
  2. Step 2: Convert to fraction form
    35,607.12/49,139.03 = 19,690.62/x
  3. Step 3: Cross multiply
    35,607.12x = 49,139.03 × 19,690.62
  4. Step 4: Simplify right side
    35,607.12x = 967,577,966.90
  5. Step 5: Solve for x
    x = 967,577,966.90/35,607.12
  6. Step 6: Final answer
    x = 27,173.72

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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.