Home / 39,653.18-59,460.42-19,639.52

Finding the Fourth Proportional to 39,653.18, 59,460.42 and 19,639.52

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Solution

The fourth proportional to 39,653.18, 59,460.42 and 19,639.52 is: 29,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.18 : 59,460.42 = 19,639.52 : x
  2. Step 2: Convert to fraction form
    39,653.18/59,460.42 = 19,639.52/x
  3. Step 3: Cross multiply
    39,653.18x = 59,460.42 × 19,639.52
  4. Step 4: Simplify right side
    39,653.18x = 1,167,774,107.80
  5. Step 5: Solve for x
    x = 1,167,774,107.80/39,653.18
  6. Step 6: Final answer
    x = 29,449.70

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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.