Home / 43,289.52-64,931.40-16,998.72

Finding the Fourth Proportional to 43,289.52, 64,931.40 and 16,998.72

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Solution

The fourth proportional to 43,289.52, 64,931.40 and 16,998.72 is: 25,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.52 : 64,931.40 = 16,998.72 : x
  2. Step 2: Convert to fraction form
    43,289.52/64,931.40 = 16,998.72/x
  3. Step 3: Cross multiply
    43,289.52x = 64,931.40 × 16,998.72
  4. Step 4: Simplify right side
    43,289.52x = 1,103,750,687.81
  5. Step 5: Solve for x
    x = 1,103,750,687.81/43,289.52
  6. Step 6: Final answer
    x = 25,496.95

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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.