Home / 45,785.43-68,622.69-19,434.84

Finding the Fourth Proportional to 45,785.43, 68,622.69 and 19,434.84

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Solution

The fourth proportional to 45,785.43, 68,622.69 and 19,434.84 is: 29,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.43 : 68,622.69 = 19,434.84 : x
  2. Step 2: Convert to fraction form
    45,785.43/68,622.69 = 19,434.84/x
  3. Step 3: Cross multiply
    45,785.43x = 68,622.69 × 19,434.84
  4. Step 4: Simplify right side
    45,785.43x = 1,333,671,000.52
  5. Step 5: Solve for x
    x = 1,333,671,000.52/45,785.43
  6. Step 6: Final answer
    x = 29,128.72

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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.