Home / 43,283.68-64,898.52-19,880.08

Finding the Fourth Proportional to 43,283.68, 64,898.52 and 19,880.08

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Solution

The fourth proportional to 43,283.68, 64,898.52 and 19,880.08 is: 29,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.68 : 64,898.52 = 19,880.08 : x
  2. Step 2: Convert to fraction form
    43,283.68/64,898.52 = 19,880.08/x
  3. Step 3: Cross multiply
    43,283.68x = 64,898.52 × 19,880.08
  4. Step 4: Simplify right side
    43,283.68x = 1,290,187,769.48
  5. Step 5: Solve for x
    x = 1,290,187,769.48/43,283.68
  6. Step 6: Final answer
    x = 29,807.72

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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.