Home / 53,480.46-73,810.75-30,815.10

Finding the Fourth Proportional to 53,480.46, 73,810.75 and 30,815.10

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Solution

The fourth proportional to 53,480.46, 73,810.75 and 30,815.10 is: 42,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.46 : 73,810.75 = 30,815.10 : x
  2. Step 2: Convert to fraction form
    53,480.46/73,810.75 = 30,815.10/x
  3. Step 3: Cross multiply
    53,480.46x = 73,810.75 × 30,815.10
  4. Step 4: Simplify right side
    53,480.46x = 2,274,485,642.33
  5. Step 5: Solve for x
    x = 2,274,485,642.33/53,480.46
  6. Step 6: Final answer
    x = 42,529.29

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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.