Home / 43,283.73-64,931.07-13,690.89

Finding the Fourth Proportional to 43,283.73, 64,931.07 and 13,690.89

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Solution

The fourth proportional to 43,283.73, 64,931.07 and 13,690.89 is: 20,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.73 : 64,931.07 = 13,690.89 : x
  2. Step 2: Convert to fraction form
    43,283.73/64,931.07 = 13,690.89/x
  3. Step 3: Cross multiply
    43,283.73x = 64,931.07 × 13,690.89
  4. Step 4: Simplify right side
    43,283.73x = 888,964,136.95
  5. Step 5: Solve for x
    x = 888,964,136.95/43,283.73
  6. Step 6: Final answer
    x = 20,538.07

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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.