Home / 55,986.27-77,259.50-30,492.07

Finding the Fourth Proportional to 55,986.27, 77,259.50 and 30,492.07

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Solution

The fourth proportional to 55,986.27, 77,259.50 and 30,492.07 is: 42,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.27 : 77,259.50 = 30,492.07 : x
  2. Step 2: Convert to fraction form
    55,986.27/77,259.50 = 30,492.07/x
  3. Step 3: Cross multiply
    55,986.27x = 77,259.50 × 30,492.07
  4. Step 4: Simplify right side
    55,986.27x = 2,355,802,285.49
  5. Step 5: Solve for x
    x = 2,355,802,285.49/55,986.27
  6. Step 6: Final answer
    x = 42,078.22

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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.