Home / 52,727.09-72,762.71-30,065.45

Finding the Fourth Proportional to 52,727.09, 72,762.71 and 30,065.45

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Solution

The fourth proportional to 52,727.09, 72,762.71 and 30,065.45 is: 41,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,727.09 : 72,762.71 = 30,065.45 : x
  2. Step 2: Convert to fraction form
    52,727.09/72,762.71 = 30,065.45/x
  3. Step 3: Cross multiply
    52,727.09x = 72,762.71 × 30,065.45
  4. Step 4: Simplify right side
    52,727.09x = 2,187,643,105.23
  5. Step 5: Solve for x
    x = 2,187,643,105.23/52,727.09
  6. Step 6: Final answer
    x = 41,489.93

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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.