Home / 54,571.95-75,313.67-30,697.20

Finding the Fourth Proportional to 54,571.95, 75,313.67 and 30,697.20

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Solution

The fourth proportional to 54,571.95, 75,313.67 and 30,697.20 is: 42,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.95 : 75,313.67 = 30,697.20 : x
  2. Step 2: Convert to fraction form
    54,571.95/75,313.67 = 30,697.20/x
  3. Step 3: Cross multiply
    54,571.95x = 75,313.67 × 30,697.20
  4. Step 4: Simplify right side
    54,571.95x = 2,311,918,637.24
  5. Step 5: Solve for x
    x = 2,311,918,637.24/54,571.95
  6. Step 6: Final answer
    x = 42,364.60

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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.