Home / 43,355.80-65,070.74-30,906.28

Finding the Fourth Proportional to 43,355.80, 65,070.74 and 30,906.28

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Solution

The fourth proportional to 43,355.80, 65,070.74 and 30,906.28 is: 46,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.80 : 65,070.74 = 30,906.28 : x
  2. Step 2: Convert to fraction form
    43,355.80/65,070.74 = 30,906.28/x
  3. Step 3: Cross multiply
    43,355.80x = 65,070.74 × 30,906.28
  4. Step 4: Simplify right side
    43,355.80x = 2,011,094,510.25
  5. Step 5: Solve for x
    x = 2,011,094,510.25/43,355.80
  6. Step 6: Final answer
    x = 46,385.82

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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.