Home / 39,455.01-59,185.52-13,159.78

Finding the Fourth Proportional to 39,455.01, 59,185.52 and 13,159.78

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Solution

The fourth proportional to 39,455.01, 59,185.52 and 13,159.78 is: 19,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.01 : 59,185.52 = 13,159.78 : x
  2. Step 2: Convert to fraction form
    39,455.01/59,185.52 = 13,159.78/x
  3. Step 3: Cross multiply
    39,455.01x = 59,185.52 × 13,159.78
  4. Step 4: Simplify right side
    39,455.01x = 778,868,257.97
  5. Step 5: Solve for x
    x = 778,868,257.97/39,455.01
  6. Step 6: Final answer
    x = 19,740.67

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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.