Home / 40,574.82-60,862.24-19,780.50

Finding the Fourth Proportional to 40,574.82, 60,862.24 and 19,780.50

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Solution

The fourth proportional to 40,574.82, 60,862.24 and 19,780.50 is: 29,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574.82 : 60,862.24 = 19,780.50 : x
  2. Step 2: Convert to fraction form
    40,574.82/60,862.24 = 19,780.50/x
  3. Step 3: Cross multiply
    40,574.82x = 60,862.24 × 19,780.50
  4. Step 4: Simplify right side
    40,574.82x = 1,203,885,538.32
  5. Step 5: Solve for x
    x = 1,203,885,538.32/40,574.82
  6. Step 6: Final answer
    x = 29,670.75

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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.