Home / 53,278.32-73,527.84-30,621.12

Finding the Fourth Proportional to 53,278.32, 73,527.84 and 30,621.12

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Solution

The fourth proportional to 53,278.32, 73,527.84 and 30,621.12 is: 42,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.32 : 73,527.84 = 30,621.12 : x
  2. Step 2: Convert to fraction form
    53,278.32/73,527.84 = 30,621.12/x
  3. Step 3: Cross multiply
    53,278.32x = 73,527.84 × 30,621.12
  4. Step 4: Simplify right side
    53,278.32x = 2,251,504,811.98
  5. Step 5: Solve for x
    x = 2,251,504,811.98/53,278.32
  6. Step 6: Final answer
    x = 42,259.31

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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.