Home / 42,936.64-64,405.13-17,959.17

Finding the Fourth Proportional to 42,936.64, 64,405.13 and 17,959.17

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Solution

The fourth proportional to 42,936.64, 64,405.13 and 17,959.17 is: 26,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,936.64 : 64,405.13 = 17,959.17 : x
  2. Step 2: Convert to fraction form
    42,936.64/64,405.13 = 17,959.17/x
  3. Step 3: Cross multiply
    42,936.64x = 64,405.13 × 17,959.17
  4. Step 4: Simplify right side
    42,936.64x = 1,156,662,678.54
  5. Step 5: Solve for x
    x = 1,156,662,678.54/42,936.64
  6. Step 6: Final answer
    x = 26,938.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.