Home / 33,070.47-45,605.66-21,749.50

Finding the Fourth Proportional to 33,070.47, 45,605.66 and 21,749.50

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Solution

The fourth proportional to 33,070.47, 45,605.66 and 21,749.50 is: 29,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.47 : 45,605.66 = 21,749.50 : x
  2. Step 2: Convert to fraction form
    33,070.47/45,605.66 = 21,749.50/x
  3. Step 3: Cross multiply
    33,070.47x = 45,605.66 × 21,749.50
  4. Step 4: Simplify right side
    33,070.47x = 991,900,302.17
  5. Step 5: Solve for x
    x = 991,900,302.17/33,070.47
  6. Step 6: Final answer
    x = 29,993.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.