Home / 43,077.52-64,616.30-19,687.56

Finding the Fourth Proportional to 43,077.52, 64,616.30 and 19,687.56

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Solution

The fourth proportional to 43,077.52, 64,616.30 and 19,687.56 is: 29,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,077.52 : 64,616.30 = 19,687.56 : x
  2. Step 2: Convert to fraction form
    43,077.52/64,616.30 = 19,687.56/x
  3. Step 3: Cross multiply
    43,077.52x = 64,616.30 × 19,687.56
  4. Step 4: Simplify right side
    43,077.52x = 1,272,137,283.23
  5. Step 5: Solve for x
    x = 1,272,137,283.23/43,077.52
  6. Step 6: Final answer
    x = 29,531.35

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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.