Home / 42,036.64-58,034.32-27,908.80

Finding the Fourth Proportional to 42,036.64, 58,034.32 and 27,908.80

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Solution

The fourth proportional to 42,036.64, 58,034.32 and 27,908.80 is: 38,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,036.64 : 58,034.32 = 27,908.80 : x
  2. Step 2: Convert to fraction form
    42,036.64/58,034.32 = 27,908.80/x
  3. Step 3: Cross multiply
    42,036.64x = 58,034.32 × 27,908.80
  4. Step 4: Simplify right side
    42,036.64x = 1,619,667,939.84
  5. Step 5: Solve for x
    x = 1,619,667,939.84/42,036.64
  6. Step 6: Final answer
    x = 38,529.91

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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.