Home / 39,765.34-59,656.83-13,110.27

Finding the Fourth Proportional to 39,765.34, 59,656.83 and 13,110.27

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Solution

The fourth proportional to 39,765.34, 59,656.83 and 13,110.27 is: 19,668.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.34 : 59,656.83 = 13,110.27 : x
  2. Step 2: Convert to fraction form
    39,765.34/59,656.83 = 13,110.27/x
  3. Step 3: Cross multiply
    39,765.34x = 59,656.83 × 13,110.27
  4. Step 4: Simplify right side
    39,765.34x = 782,117,148.64
  5. Step 5: Solve for x
    x = 782,117,148.64/39,765.34
  6. Step 6: Final answer
    x = 19,668.31

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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.