Home / 39,405.83-59,059.33-19,690.02

Finding the Fourth Proportional to 39,405.83, 59,059.33 and 19,690.02

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Solution

The fourth proportional to 39,405.83, 59,059.33 and 19,690.02 is: 29,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.83 : 59,059.33 = 19,690.02 : x
  2. Step 2: Convert to fraction form
    39,405.83/59,059.33 = 19,690.02/x
  3. Step 3: Cross multiply
    39,405.83x = 59,059.33 × 19,690.02
  4. Step 4: Simplify right side
    39,405.83x = 1,162,879,339.66
  5. Step 5: Solve for x
    x = 1,162,879,339.66/39,405.83
  6. Step 6: Final answer
    x = 29,510.34

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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.