Home / 49,512.52-74,279.58-19,931.32

Finding the Fourth Proportional to 49,512.52, 74,279.58 and 19,931.32

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Solution

The fourth proportional to 49,512.52, 74,279.58 and 19,931.32 is: 29,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512.52 : 74,279.58 = 19,931.32 : x
  2. Step 2: Convert to fraction form
    49,512.52/74,279.58 = 19,931.32/x
  3. Step 3: Cross multiply
    49,512.52x = 74,279.58 × 19,931.32
  4. Step 4: Simplify right side
    49,512.52x = 1,480,490,078.45
  5. Step 5: Solve for x
    x = 1,480,490,078.45/49,512.52
  6. Step 6: Final answer
    x = 29,901.33

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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.