Home / 35,581.40-49,101.62-19,666.52

Finding the Fourth Proportional to 35,581.40, 49,101.62 and 19,666.52

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Solution

The fourth proportional to 35,581.40, 49,101.62 and 19,666.52 is: 27,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.40 : 49,101.62 = 19,666.52 : x
  2. Step 2: Convert to fraction form
    35,581.40/49,101.62 = 19,666.52/x
  3. Step 3: Cross multiply
    35,581.40x = 49,101.62 × 19,666.52
  4. Step 4: Simplify right side
    35,581.40x = 965,657,991.76
  5. Step 5: Solve for x
    x = 965,657,991.76/35,581.40
  6. Step 6: Final answer
    x = 27,139.40

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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.