Home / 42,723.52-64,113.12-19,352.32

Finding the Fourth Proportional to 42,723.52, 64,113.12 and 19,352.32

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Solution

The fourth proportional to 42,723.52, 64,113.12 and 19,352.32 is: 29,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723.52 : 64,113.12 = 19,352.32 : x
  2. Step 2: Convert to fraction form
    42,723.52/64,113.12 = 19,352.32/x
  3. Step 3: Cross multiply
    42,723.52x = 64,113.12 × 19,352.32
  4. Step 4: Simplify right side
    42,723.52x = 1,240,737,614.44
  5. Step 5: Solve for x
    x = 1,240,737,614.44/42,723.52
  6. Step 6: Final answer
    x = 29,041.09

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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.