Home / 52,728.09-72,764.08-30,066.45

Finding the Fourth Proportional to 52,728.09, 72,764.08 and 30,066.45

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Solution

The fourth proportional to 52,728.09, 72,764.08 and 30,066.45 is: 41,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.09 : 72,764.08 = 30,066.45 : x
  2. Step 2: Convert to fraction form
    52,728.09/72,764.08 = 30,066.45/x
  3. Step 3: Cross multiply
    52,728.09x = 72,764.08 × 30,066.45
  4. Step 4: Simplify right side
    52,728.09x = 2,187,757,573.12
  5. Step 5: Solve for x
    x = 2,187,757,573.12/52,728.09
  6. Step 6: Final answer
    x = 41,491.31

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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.