Home / 62,678.02-94,007.21-20,557.21

Finding the Fourth Proportional to 62,678.02, 94,007.21 and 20,557.21

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Solution

The fourth proportional to 62,678.02, 94,007.21 and 20,557.21 is: 30,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,678.02 : 94,007.21 = 20,557.21 : x
  2. Step 2: Convert to fraction form
    62,678.02/94,007.21 = 20,557.21/x
  3. Step 3: Cross multiply
    62,678.02x = 94,007.21 × 20,557.21
  4. Step 4: Simplify right side
    62,678.02x = 1,932,525,957.48
  5. Step 5: Solve for x
    x = 1,932,525,957.48/62,678.02
  6. Step 6: Final answer
    x = 30,832.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.