Home / 45,116-62,288.32-28,989.84

Finding the Fourth Proportional to 45,116, 62,288.32 and 28,989.84

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Solution

The fourth proportional to 45,116, 62,288.32 and 28,989.84 is: 40,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116 : 62,288.32 = 28,989.84 : x
  2. Step 2: Convert to fraction form
    45,116/62,288.32 = 28,989.84/x
  3. Step 3: Cross multiply
    45,116x = 62,288.32 × 28,989.84
  4. Step 4: Simplify right side
    45,116x = 1,805,728,430.67
  5. Step 5: Solve for x
    x = 1,805,728,430.67/45,116
  6. Step 6: Final answer
    x = 40,024.13

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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.