Home / 35,712.76-49,283.64-19,797.40

Finding the Fourth Proportional to 35,712.76, 49,283.64 and 19,797.40

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Solution

The fourth proportional to 35,712.76, 49,283.64 and 19,797.40 is: 27,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.76 : 49,283.64 = 19,797.40 : x
  2. Step 2: Convert to fraction form
    35,712.76/49,283.64 = 19,797.40/x
  3. Step 3: Cross multiply
    35,712.76x = 49,283.64 × 19,797.40
  4. Step 4: Simplify right side
    35,712.76x = 975,687,934.54
  5. Step 5: Solve for x
    x = 975,687,934.54/35,712.76
  6. Step 6: Final answer
    x = 27,320.43

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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.