Home / 53,428.05-73,729.37-30,766.55

Finding the Fourth Proportional to 53,428.05, 73,729.37 and 30,766.55

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Solution

The fourth proportional to 53,428.05, 73,729.37 and 30,766.55 is: 42,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.05 : 73,729.37 = 30,766.55 : x
  2. Step 2: Convert to fraction form
    53,428.05/73,729.37 = 30,766.55/x
  3. Step 3: Cross multiply
    53,428.05x = 73,729.37 × 30,766.55
  4. Step 4: Simplify right side
    53,428.05x = 2,268,398,056.84
  5. Step 5: Solve for x
    x = 2,268,398,056.84/53,428.05
  6. Step 6: Final answer
    x = 42,457.06

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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.