Home / 35,420.81-48,882.77-20,313.35

Finding the Fourth Proportional to 35,420.81, 48,882.77 and 20,313.35

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Solution

The fourth proportional to 35,420.81, 48,882.77 and 20,313.35 is: 28,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.81 : 48,882.77 = 20,313.35 : x
  2. Step 2: Convert to fraction form
    35,420.81/48,882.77 = 20,313.35/x
  3. Step 3: Cross multiply
    35,420.81x = 48,882.77 × 20,313.35
  4. Step 4: Simplify right side
    35,420.81x = 992,972,815.98
  5. Step 5: Solve for x
    x = 992,972,815.98/35,420.81
  6. Step 6: Final answer
    x = 28,033.60

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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.