Home / 43,680.47-65,461.58-19,958.81

Finding the Fourth Proportional to 43,680.47, 65,461.58 and 19,958.81

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Solution

The fourth proportional to 43,680.47, 65,461.58 and 19,958.81 is: 29,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680.47 : 65,461.58 = 19,958.81 : x
  2. Step 2: Convert to fraction form
    43,680.47/65,461.58 = 19,958.81/x
  3. Step 3: Cross multiply
    43,680.47x = 65,461.58 × 19,958.81
  4. Step 4: Simplify right side
    43,680.47x = 1,306,535,237.52
  5. Step 5: Solve for x
    x = 1,306,535,237.52/43,680.47
  6. Step 6: Final answer
    x = 29,911.20

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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.