Home / 43,065.04-64,220.68-42,671.36

Finding the Fourth Proportional to 43,065.04, 64,220.68 and 42,671.36

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Solution

The fourth proportional to 43,065.04, 64,220.68 and 42,671.36 is: 63,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,065.04 : 64,220.68 = 42,671.36 : x
  2. Step 2: Convert to fraction form
    43,065.04/64,220.68 = 42,671.36/x
  3. Step 3: Cross multiply
    43,065.04x = 64,220.68 × 42,671.36
  4. Step 4: Simplify right side
    43,065.04x = 2,740,383,755.72
  5. Step 5: Solve for x
    x = 2,740,383,755.72/43,065.04
  6. Step 6: Final answer
    x = 63,633.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.