Home / 35,420.85-48,867.57-20,308.14

Finding the Fourth Proportional to 35,420.85, 48,867.57 and 20,308.14

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Solution

The fourth proportional to 35,420.85, 48,867.57 and 20,308.14 is: 28,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.85 : 48,867.57 = 20,308.14 : x
  2. Step 2: Convert to fraction form
    35,420.85/48,867.57 = 20,308.14/x
  3. Step 3: Cross multiply
    35,420.85x = 48,867.57 × 20,308.14
  4. Step 4: Simplify right side
    35,420.85x = 992,409,453.02
  5. Step 5: Solve for x
    x = 992,409,453.02/35,420.85
  6. Step 6: Final answer
    x = 28,017.66

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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.