Home / 35,740.36-49,322.10-19,825.30

Finding the Fourth Proportional to 35,740.36, 49,322.10 and 19,825.30

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Solution

The fourth proportional to 35,740.36, 49,322.10 and 19,825.30 is: 27,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.36 : 49,322.10 = 19,825.30 : x
  2. Step 2: Convert to fraction form
    35,740.36/49,322.10 = 19,825.30/x
  3. Step 3: Cross multiply
    35,740.36x = 49,322.10 × 19,825.30
  4. Step 4: Simplify right side
    35,740.36x = 977,825,429.13
  5. Step 5: Solve for x
    x = 977,825,429.13/35,740.36
  6. Step 6: Final answer
    x = 27,359.14

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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.