Home / 23,483.12-35,140.84-20,399.45

Finding the Fourth Proportional to 23,483.12, 35,140.84 and 20,399.45

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Solution

The fourth proportional to 23,483.12, 35,140.84 and 20,399.45 is: 30,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,483.12 : 35,140.84 = 20,399.45 : x
  2. Step 2: Convert to fraction form
    23,483.12/35,140.84 = 20,399.45/x
  3. Step 3: Cross multiply
    23,483.12x = 35,140.84 × 20,399.45
  4. Step 4: Simplify right side
    23,483.12x = 716,853,581.84
  5. Step 5: Solve for x
    x = 716,853,581.84/23,483.12
  6. Step 6: Final answer
    x = 30,526.34

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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.