Home / 39,895.31-59,829.79-13,235.17

Finding the Fourth Proportional to 39,895.31, 59,829.79 and 13,235.17

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Solution

The fourth proportional to 39,895.31, 59,829.79 and 13,235.17 is: 19,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.31 : 59,829.79 = 13,235.17 : x
  2. Step 2: Convert to fraction form
    39,895.31/59,829.79 = 13,235.17/x
  3. Step 3: Cross multiply
    39,895.31x = 59,829.79 × 13,235.17
  4. Step 4: Simplify right side
    39,895.31x = 791,857,441.71
  5. Step 5: Solve for x
    x = 791,857,441.71/39,895.31
  6. Step 6: Final answer
    x = 19,848.38

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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.