Home / 43,430.17-65,156.48-25,433.59

Finding the Fourth Proportional to 43,430.17, 65,156.48 and 25,433.59

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Solution

The fourth proportional to 43,430.17, 65,156.48 and 25,433.59 is: 38,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,430.17 : 65,156.48 = 25,433.59 : x
  2. Step 2: Convert to fraction form
    43,430.17/65,156.48 = 25,433.59/x
  3. Step 3: Cross multiply
    43,430.17x = 65,156.48 × 25,433.59
  4. Step 4: Simplify right side
    43,430.17x = 1,657,163,198.16
  5. Step 5: Solve for x
    x = 1,657,163,198.16/43,430.17
  6. Step 6: Final answer
    x = 38,156.96

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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.