Home / 43,380.69-65,070.14-13,798.59

Finding the Fourth Proportional to 43,380.69, 65,070.14 and 13,798.59

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Solution

The fourth proportional to 43,380.69, 65,070.14 and 13,798.59 is: 20,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,380.69 : 65,070.14 = 13,798.59 : x
  2. Step 2: Convert to fraction form
    43,380.69/65,070.14 = 13,798.59/x
  3. Step 3: Cross multiply
    43,380.69x = 65,070.14 × 13,798.59
  4. Step 4: Simplify right side
    43,380.69x = 897,876,114.11
  5. Step 5: Solve for x
    x = 897,876,114.11/43,380.69
  6. Step 6: Final answer
    x = 20,697.60

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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.