Home / 34,320.40-51,480.60-20,496.40

Finding the Fourth Proportional to 34,320.40, 51,480.60 and 20,496.40

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Solution

The fourth proportional to 34,320.40, 51,480.60 and 20,496.40 is: 30,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,320.40 : 51,480.60 = 20,496.40 : x
  2. Step 2: Convert to fraction form
    34,320.40/51,480.60 = 20,496.40/x
  3. Step 3: Cross multiply
    34,320.40x = 51,480.60 × 20,496.40
  4. Step 4: Simplify right side
    34,320.40x = 1,055,166,969.84
  5. Step 5: Solve for x
    x = 1,055,166,969.84/34,320.40
  6. Step 6: Final answer
    x = 30,744.60

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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.