Home / 39,619.18-59,438.52-11,539.48

Finding the Fourth Proportional to 39,619.18, 59,438.52 and 11,539.48

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Solution

The fourth proportional to 39,619.18, 59,438.52 and 11,539.48 is: 17,312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619.18 : 59,438.52 = 11,539.48 : x
  2. Step 2: Convert to fraction form
    39,619.18/59,438.52 = 11,539.48/x
  3. Step 3: Cross multiply
    39,619.18x = 59,438.52 × 11,539.48
  4. Step 4: Simplify right side
    39,619.18x = 685,889,612.77
  5. Step 5: Solve for x
    x = 685,889,612.77/39,619.18
  6. Step 6: Final answer
    x = 17,312.06

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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.