Home / 54,688.44-75,465.30-30,810.84

Finding the Fourth Proportional to 54,688.44, 75,465.30 and 30,810.84

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Solution

The fourth proportional to 54,688.44, 75,465.30 and 30,810.84 is: 42,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.44 : 75,465.30 = 30,810.84 : x
  2. Step 2: Convert to fraction form
    54,688.44/75,465.30 = 30,810.84/x
  3. Step 3: Cross multiply
    54,688.44x = 75,465.30 × 30,810.84
  4. Step 4: Simplify right side
    54,688.44x = 2,325,149,283.85
  5. Step 5: Solve for x
    x = 2,325,149,283.85/54,688.44
  6. Step 6: Final answer
    x = 42,516.28

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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.