Home / 43,686.81-65,534.45-17,385.39

Finding the Fourth Proportional to 43,686.81, 65,534.45 and 17,385.39

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Solution

The fourth proportional to 43,686.81, 65,534.45 and 17,385.39 is: 26,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686.81 : 65,534.45 = 17,385.39 : x
  2. Step 2: Convert to fraction form
    43,686.81/65,534.45 = 17,385.39/x
  3. Step 3: Cross multiply
    43,686.81x = 65,534.45 × 17,385.39
  4. Step 4: Simplify right side
    43,686.81x = 1,139,341,884.76
  5. Step 5: Solve for x
    x = 1,139,341,884.76/43,686.81
  6. Step 6: Final answer
    x = 26,079.77

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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.