Home / 39,796.12-59,681.31-13,136.12

Finding the Fourth Proportional to 39,796.12, 59,681.31 and 13,136.12

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Solution

The fourth proportional to 39,796.12, 59,681.31 and 13,136.12 is: 19,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,796.12 : 59,681.31 = 13,136.12 : x
  2. Step 2: Convert to fraction form
    39,796.12/59,681.31 = 13,136.12/x
  3. Step 3: Cross multiply
    39,796.12x = 59,681.31 × 13,136.12
  4. Step 4: Simplify right side
    39,796.12x = 783,980,849.92
  5. Step 5: Solve for x
    x = 783,980,849.92/39,796.12
  6. Step 6: Final answer
    x = 19,699.93

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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.