Home / 53,220.64-73,447.84-30,566.72

Finding the Fourth Proportional to 53,220.64, 73,447.84 and 30,566.72

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Solution

The fourth proportional to 53,220.64, 73,447.84 and 30,566.72 is: 42,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.64 : 73,447.84 = 30,566.72 : x
  2. Step 2: Convert to fraction form
    53,220.64/73,447.84 = 30,566.72/x
  3. Step 3: Cross multiply
    53,220.64x = 73,447.84 × 30,566.72
  4. Step 4: Simplify right side
    53,220.64x = 2,245,059,559.88
  5. Step 5: Solve for x
    x = 2,245,059,559.88/53,220.64
  6. Step 6: Final answer
    x = 42,184.00

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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.